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Frequently Asked Questions

AIR TIGHTNESS - MEMBRANES

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  • What is air tightness?

    Air tightness is the sealing of unwanted and uncontrolled drafts within the structure. It can be achieved by the correct and proper installation of a vapour check or vapour barrier. The advantage of sealing up drafts is that you can control ventilation to ensure that heat loss is reduced.

    For more information see the Pro Clima Brochure available in the Technical Data section.

  • Why do I need air tightness?

    Current regulations and codes all require air tightness to various levels. In order to achieve Passivhaus or low carbon homes standards it is essential to ensure a high level of air tightness. Tests have shown that just a 1mm wide gap 1m long in a buildings structure will reduce the insulation properties by 80% when the building is subject to a 20mph wind.

    For more information see the Pro Clima Brochure available in the Technical Data section.

  • How is it achieved?

    Whether a masonry structure or timber frame the principal is the same. The internal face of the external walls and roof must have a continuous seal to eliminate unwanted drafts. It is achieved through the use of membranes and tapes to ensure the insulation is able to function at its optimal performance. The vapour check membrane also ensures that interstitial condensation risk is minimised, ensuring no structural damage from moisture, mould, rot and damp.

    For construction details on how to achieve air tightness see the Technical Downloads in the Membrane section.

  • Can I open windows

    Yes, you can open windows, the principal is when you choose to close the windows the drafts is eliminated and the ventilation is controlled by a suitable system such as whole house ventilation?



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  • Which membrane do I need to choose?

    The membranes are designed to satisfy set criteria. DB Plus and Intello plus are both internal membranes. Solitex Plus is an external roofing membrane and Solitex WA is used externally to protect timber frames.

  • Do the external membranes need to be airtight?

    The external membranes do not need to be airtight although they do need to be wind tight. To achieve this all joints on external walls should be stapled and all roof details should be taped and any openings sealed with Tescon no.1 tape.

    For further installation details please see the information Solitex Plus Brochure and the Solitex WA Details in the Technical Download section of "Membranes".

  • Are all the membranes breathable?

    Yes all the membranes are breathable. They are all diffusion open and allow vapour to pass through the membrane. The intelligent membranes (DB Plus and Intello Plus) also have the capability to restrict vapour and act as a vapour check when the building requires it.

    For more information see the Pro Clima Brochure available in the Technical Data section.

  • What is an intelligent membrane?

    The intelligent membranes, (DB Plus and Intello Plus) have the ability to become more vapour (diffusion) open when required. The vapour diffusion resistance alters depending upon the relative humidity surrounding the vapour check.

    In winter when the warm humid air flows from inside to out condensation can form within the structure, the membrane remains diffusion tight to resist the diffusion of vapour from the internal fabric of the building. In summer when the warm air flows from outside to inside the membrane becomes more vapour open allowing ant moisture trapped within the structure to dry out.

    For more information see the Pro Clima Brochure available in the Technical Data section.



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  • How can I get samples?

    Samples of all our air tightness products are available. Please request the samples you require via our Get in Touch link.

  • How do I install the membrane?

    There are full installation details for each product available at the bottom of the product page in the Technical Download section.

  • How can I get a condensation risk analysis?

    Please contact our sales team and they will arrange for a report to be completed free of charge.

  • What is NSAI Agrement certification?

    The Irish Agreement Board (IAB) assesses, specifies testing, and where appropriate, issues agreement certificates for such products. It is the Irish version of BBA Certification. To date all Councils have accepted the NSAI Certification. The membrane Agrement certificates are all available in the Technical Data section.



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  • How long does delivery take?

    Delivery is usually within 72 hours.



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AIR TIGHTNESS - TAPES AND ADHESIVES

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  • How can I get samples?

    Samples of all the products are available, please request the samples you require via our Get in Touch link.

  • How do I install the tapes?

    There are full installation details for each product available at the bottom of the product page in the Technical Download section.

  • What is NSAI Agrement certification?

    The Irish Agreement Board (IAB) assesses, specifies testing, and where appropriate, issues agreement certificates for such products. It is the Irish version of BBA Certification.To date all Councils have accepted the NSAI Certification.

  • What is the life expectancy of the tape?

    All the Pro Clima tapes and adhesives have a life expectancy of over 60 years.



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  • Can I use other makes of tape/adhesive?

    We only recommend that Pro Clima products are used with the Pro Clima membranes. The Pro Clima tapes are all specifically designed with non-ageing, non-acrylic glue. It has no VOC's and is both resistant to water and it will not degrade the membrane. They can even be applied in humid conditions and offer excellent adhesion.

  • How long does delivery take?

    Delivery usually takes up to 72 hours.



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BIOMASS BOILERS

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This range of products is currently being developed. Please contact us for more details.


HEAT PUMPS

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This range of products is currently being developed. Please contact us for more details.


WHOLE HOUSE VENTILATION

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  • How is the system installed?

    The extraction unit requires wiring by a competent electrician. The installation of the ductwork can be carried out by any competent tradesman such as joiners/plumbers/electricians. Full instructions are provided with the products.

  • Why does the system have to be designed?

    The system is designed to ensure the correct areas are ventilated at the correct rate. The design for whole house extraction is very simple and primarily is ensuring suitable duct routes.

  • How can I get the system designed?

    Purchase the appropriate kit online and complete the Titon Design Application which is located in the Technical Download section at the bottom of the product page and email it to us together with any relevant drawings or call us if you require assistance.

  • What is Sap Appendix Q compliant?

    SAP Q is recognition by the Building Research Establishment that the product has been tested and is of sufficiently high standards to be used in SAP (Building energy calculations) calculations.



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  • How long does delivery take?

    Design and delivery usually takes 3 to 4 weeks.



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WHOLE HOUSE VENTILATION WITH HEAT RECOVERY

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  • How is the system installed?

    The extraction unit requires wiring by a competent electrician. The installation of the ductwork can be carried out by any competent tradesman such as joiners/plumbers/electricians. Full instructions are provided with the products.

  • What is heat recovery?

    Heat recovery is a ventilation system that extracts the heat from the stale air that is being extracted and reuses that heat to warm the incoming fresh air thereby greatly reducing heating costs.

  • Do I need trickle vents?

    Trickle vents should not be installed. The fresh air is supplied pre heated via the duct work. The maximum efficiency is achieved when the building is as airtight as possible to reduce cold draughts. For more details see the Airtighness Product Range.

  • Do I need a cooker hood?

    A cooker hood is not used to extract the air as it would allow cold unheated air into the building although a recirculation extractor can be fitted to capture any grease and reduce odours. A duct is located within the kitchen near the cooker to remove the moist air and odours.



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  • Why is does the system need to be designed?

    The system is designed to ensure the correct areas are ventilated at the correct rate. The design for whole house extraction is very simple and primarily is ensuring suitable duct routes.

  • How can I get the system designed?

    Buy the appropriate kit online and complete the Titon Design Application which is located in the Technical Download section at the bottom of the product page and email it to us together with any relevant drawings or call us if you require any assistance.

  • What is Sap Appendix Q compliant?

    In calculating the energy use for a house during building regulations, the specific product data for low energy systems can be used. In order to qualify to be used they have been tested and approved by the Building Research Establishment.

  • What is an energy saving boost function?

    The ventilation system can be set into boost mode to increase ventilation in order to remove any smells or odours. The time period for boosting can be altered to ensure the unit returns to normal extraction within a set period.



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  • How long does delivery take?

    Design and delivery usually takes 3 to 4 weeks.



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INSULATION SUPPORT PRODUCTS > INSUMATE

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  • What percentage of the product is recycled?

    Insumate is around 50% recycled polypropylene and 50% virgin polyproylene.

  • Does Insumate have a BBA certificate?

    Insumate is BBA prototype approved.

  • Can the support trays be fitted in existing buidings?

    Yes.

  • Can trays be fitted from below joists?

    Yes, and we recommend the use of extra staples on the sides of the joists.



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  • How deep are the trays for insulation?

    The trays are 100mm deep, other sizes will be available in the near future.

  • How long are Insumate trays?

    1200mm, other sizes available on request.

  • Can they be cut to length?

    Yes simply use a knife or scissors to shorten them

  • Can they be drilled through for pipes or cables?

    Yes any drill bit will drill through them.



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  • How are they fixed to joists?

    Use a hand held staple gun with 20mm staples and staple to top of joist, when floor is screwed down the floor will also hold them in place.

  • Can the trays be used in partition walls?

    Yes, we can also make them 25mm deep to hold the 25mm insulation.

  • How long does delivery take?

    Delivery is usually 2 -3 days, although please call for large orders.



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NATURAUL INSUALTION > PAVAFLEX - WOOD FIBRE

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  • What is Pavaflex made from?

    82% Woodfibres, 8 % Binding agent (Polyolefin), 10% Inorganic salt fire retardant (ammonium polyphosphate).

  • What applications will Pavaflex be suitable for?

    Pavaflex can be used in loft spaces, between rafters and within walls and floors in new build, renovation and conservation projects. It is not suitable for in-cavity wall insulation or under ground floor slabs.

  • Will the Pavaflex slump?

    The combination of high density and great flexural strength gives Pavaflex excellent firmness and ensures it retains its shape and dimensions throughout its service life, providing a tight fitting and non-slumping insulation.

  • Is Pavaflex pest resistant?

    Pavaflex uses simple, natural and non-reacting compounds to provide protection against insects, biological and fungal attack, and to make it unattractive to vermin while remaining harmless to common building components.



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  • Will Pavaflex catch fire?

    Pavaflex is approved for use as loft, wall and ceiling insulation and achieves a Euroclass E rating. This fire protection is achieved through treatment of all fibres with simple non reacting salt compounds.

  • What is the Thermal Conductivity of Pavaflex?

    The thermal conductivity is 0.038 W/mK.

  • What is its density?

    It has a density of 55kg/m3.

  • Is it affected by moisture?

    Pavaflex actively assists in the control of moisture in buildings, drawing vapour away from vulnerable timbers and other building materials without any loss of thermal or acoustic performance or danger to the durability of the building and its component parts.



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  • How long does delivery take?

    The delivery period is usually 72 hours.



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NATURAUL INSUALTION > PAVATHERM - RIGID WOOD FIBRE

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  • What is Pavatherm made from?

    waste wood fibres are pulped and mixed with water. The pulp is heated to activate the natural lignin they contain in order toglue the fibres together.The pulp is then pressed into boards, dried, and cut to size.

  • What applications will Pavatherm boards be suitable for?

    Pavatherm is a Universal wood ?bre board for use in external & internal walls, ?oors & roofs.

  • What percentage is wood fibre?

    Made from over 95 % waste softwood and under 5 % inert water-proofing additives, PAVATHERM woodfibre boards (PAVATHERM, PAVATHERM-PLUS+, ISOLAIR) are a genuinely sustainable non-toxic building material.

  • What is the Thermal Conductivity of Pavatherm?

    The thermal conductivity is 0.038 W/mK.



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  • What is its density?

    It has a density of 180kg/m3.

  • Is it affected by moisture?

    PAVATHERM woodfibre boards are very vapour permeable and hygroscopic. This allows them to disperse accumulating short term moisture and protect vulnerable elements of the building fabric, with no reduction in the performance of the boards themselves.

  • How long does delivery take?

    The delivery period is usually 72 hours.



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NATURAUL INSUALTION > WARMCEL 100

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  • Will Warmcel catch fire, as it's made from recycled newspaper?

    Warmcel will not catch fire even if it is exposed to the direct flame of a blow torch. Flame retardants (inorganic salts) added to the insulation provide the installed Warmcel with protection against fire well beyond the statutory requirements. In fact, the product has been shown to limit damage from fire.

  • Will Warmcel corrode or embrittle PVC electric cabling?

    No. Tests performed as part of BS 5803 show that Warmcel is compatible with electric cabling (no migration, discoloration and also passes the cable bend test). Also, Warmcel has a neutral pH (noncorrosive) and is non toxic.

  • Will Warmcel fall on the floor when you open the hatch? How do you prevent this?

    The Green Building Site supplies a hatch-surround, which is fixed to the wooden hatch frame and holds the Warmcel in place around the hatch perimeter. Another solution is to lay boards down over the Warmcel immediately surrounding the hatch.

  • How do you insulate above the hatch door?

    Warmcel can be placed into a bag and stapled to the back of the hatch door, or an alternative slab material can be used.



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  • What happens if Warmcel gets wet (e.g. burst pipe or leaking roof)?

    Firstly, fix the leak. Then remove excessively wet Warmcel and re-apply with dry material already in the loft or purchase a bag of Warmcel 100 and replace as required.

  • Does Warmcel go mouldy when it gets damp?

    Independent laboratory tests (performed to ASTM C739) show that no mould growth occurs when Warmcel is subjected to conditions of high humidity. Mould growth is inhibited by the inorganic salts.

  • Is it possible that mice, rats or other vermin will nest in the installed Warmcel? After all, household pets, such as hamsters, are very happy nesting in shredded paper.

    The manufacturers have conducted tests with the Agricultural Development and Advisory Service (ADAS). The tests showed that mice were not attracted to Warmcel and preferred to nest and reach food through untreated material.

  • How does Warmcel compare with mineral fibre insulation on sound reduction?

    Tests performed by the Sound Research Institute revealed that Warmcel has similar or better sound absorption coefficients than mineral wool and is, therefore, deemed to be a suitable alternative.



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RAINWATER HARVESTING - DOMESTIC

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  • What is rainwater harvesting?

    Rainwater harvesting operates by collecting rain water from the roof of a building and stores it in an underground tank. It is filtered and pumped for reuse within the building or garden.

  • Is it the same as grey water systems?

    No, grey water is water that has been previously used within the building for showering or washing etc. Rainwater harvesting uses pure rainwater. We recommend rainwater as the first option as it is a simplified system reducing both installation and maintenance cost.

    For quotations of grey water systems please either telephone us or contact us via the Get in Touch link.

  • What can the water be used for?

    The water can be used for any non potable process such as washing machines, toilets, gardens, vehicle cleaning, horticulture, and manufacturing.

  • Can you drink the water?

    No, the water is filtered but it is not suitable for drinking. It can be used for drinking if it is passed through a specific filter and UV process to kill the bacteria. For further details or for a quotation of such a system please call us.



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  • What size tank do I need?

    No, the water is filtered but it is not suitable for drinking. It can be used for drinking if it is passed through a specific filter and UV process to kill the bacteria. For further details or for a quotation of such a system please call us.

  • Does it store all the rainwater?

    The tanks are sized to only hold enough rainwater for only 18 days demand. This ensures the water is regularly used and improves the water quality.

  • How much room do I need for the tank?

    The smallest tanks are only approximately 2m long x 1m wide. All tank dimensions are available in the Technical Data section.

  • What happens if it doesn't rain?

    All of our systems are available with mains water top up facility. All our domestic systems are fitted with this facility as standard, to ensure you have a continuous supply even in droughts. Be aware that if mains water top up is used in a garden system the water cannot be used during a hose pipe ban.



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  • Do I need a soak away?

    All systems require either a soak away or discharge point to remove excess water during winter months. It is recommended that a non return valve is fitted at the discharge point. These are available online.

  • How is it controlled?

    There is a ready assembled control panel supplied with the tanks requiring only connection to the mains water and rain water feed pipe. The electrics only require a 10 Amp fused supply.

  • Where can the controls be mounted?

    The panels are compact and finished in an acrylic plastic designed to fit in with a garage or utility area. For detailed dimensions see the Internal Panel Detail file in Technical Data.

  • How do you know if the tank is full?

    The PRO System is accompanied by an LED indicator that allows you to monitor the water level from within the house while both the PRO and STANDARD provides leak detection with automatic shut down.



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  • Where are the filters?

    There are two filters. The first is made of stainless steel and is located in the top of the tank. It is self cleaning by the action of the tank overflowing when full. The second filter is inline on the incoming tank water. It is to protect both the controls and the house appliances. This filter must be removed and washed every 6 months.

  • Where is the pump?

    The pump is submerged in the tank. This has the benefit of both increased reliability and removing the noise of the pump from the house.

  • Is there a Warranty?

    The tanks have a 15 year manufacturers Warranty and the controls/pump have a 2 year manufacturer's warranty.

  • Does it require concrete backfill?

    Unlike many other tanks available they are designed with sufficient strength not to require concrete backfill thereby�reducing costs provided they are only subjected to pedestrian loads and they are not in areas where water tables will reach more than one third up from the base of the tank.



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  • Is the tank affected by high a water table?

    In areas where it is anticipated that the tank will be submerged by the water table over a third in depth it is recommended that the tank is�reinforced. When selecting the tank simply select the reinforced option.

  • Who installs the system?

    The tanks can be installed by any competent ground work contractor providing they follow the installation instruction. The controls are pre assembled and only requires connection by a plumber; it is similar in nature to connecting a water supply pipe.

  • Who commissions the system?

    The commissioning is very simple and all tanks come with step by step instructions. Should you have any problems please contact out Technical Department.

  • How is it delivered?

    Delivery is free of charge within 200 miles of Newark in Nottingham, however mechanical off loading is not included (the customer must supply this), lifting points are fitted to all tanks.



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  • Where can it be installed?

    For general detail see the technical downloads at the bottom of the product page. The tanks can be installed below drives and in cellars subject to a detailed design by your Structural Engineer.

  • How long does delivery take?

    Delivery is usually within 7 days.



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RAINWATER HARVESTING - BESPOKE

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  • What is rainwater harvesting?

    Rainwater harvesting operates by collecting rain water from the roof of a building and stores it in an underground tank. It is filtered and pumped for reuse within the building or grounds.

  • Is it the same as grey water systems?

    No, grey water is water that has been previously used within the building for showering or washing. Rainwater harvesting uses pure rainwater. We recommend rainwater as the first option as it is a simplified system reducing both installation and maintenance cost. For quotations of grey water systems please either telephone us or contact us via the Get in Touch link.

  • What is SUDs?

    SUDs stand for Sustainable Urban Drainage Systems. Many commercial developments and large residential developments are now required to incorporate SUDs in order to minimise the water that flows to stream and rivers from large roof and paved areas during heavy rain. This is an ideal situation to incorporate rainwater harvesting.

  • Can it be used in conjunction with storm water retention?

    Storm water retention is another phrase for SUDs (see above).



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  • What can the water be used for?

    The water can be used for any non potable process such as urinals, toilets, gardens, vehicle cleaning, horticulture, and manufacturing.

  • Can you drink the water?

    No, the water is filtered but it is not suitable for drinking. It can be used for drinking if it is passed through a specific filter and UV process to kill the bacteria. For further details or for a quotation of such a system please either telephone us or contact us via the Get in Touch link.

  • What size tank do I need?

    The size of tank depends upon, your local rain fall, your predicted usage, your roof area and the roof material that catches the water. Please contact us for a bespoke quotation.

  • Does it store all the rainwater?

    The tanks are sized to hold enough rainwater for 18 days demand. This ensures the water is regularly used and improves the water quality.



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  • How much room do I need for the tank?

    The tank size is dependant upon, your local rain fall, your predicted usage, your roof area and the roof material that catches the water. Please contact us to arrange a quotation.

  • What happens if it doesn't rain?

    All of our systems are available with mains water top up facility (all our domestic systems are fitted as standard), to ensure you have a continuous supply even in droughts. Be aware that if mains water top up is used in a garden system the water cannot be used during a hose pipe ban.

  • How much does it cost to have a system designed?

    Systems are designed free of charge by out tanks supplier. Full drawings will not be released until a design is agreed and the system purchased. Full details are on the Bespoke section online or contact us with your site details.

  • What is the payback period?

    It depends on the volume that can be used, and whether SUDS is a requirement. Typical pay back periods are usually between 3 and 8 years.



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RAINWATER HARVESTING - GARDENS

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  • What is rainwater harvesting?

    Rainwater harvesting operates by collecting rain water from the roof of a building and stores it in an underground tank. It is filtered and pumped for reuse within the building or grounds.

  • Is it the same as grey water systems?

    No, grey water is water that has been previously used within the building for showering or washing. Rainwater harvesting uses pure rainwater. We recommend rainwater as the first option as it is a simplified system reducing both installation and maintenance cost.

    For quotations of grey water systems please either telephone us or contact us via the Get in Touch link.

  • What can the water be used for?

    The water is ideal for gardens and horticulture as it is pure rainwater.

  • Can you drink the water?

    No, the water is filtered but it is not suitable for drinking.



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  • What size tank do I need?

    Garden tanks sizes are based on the roof area and the supply assuming 60 litres per m2 per year.

    A 2400 litre tank will be sufficient for a garden area of 800m2 with roof catchments of 100m2.

    A 3500 litre tank will be sufficient for a garden area of 1000m2 with roof catchments area of 150m2.

    For large scale Horticulture systems or advice please call us.

  • Does it store all the rainwater?

    The tanks are sized to only hold enough rainwater for 18 days demand. This ensures the water is regularly used and improves the water quality.

  • How much room do I need for the tank?

    The smallest tanks are only approximately 2m long x 1m wide. All the tank sizes are available to download in the Technical Data section.

  • What happens if it doesn't rain?

    The garden systems are available with a mains water top up facility as a special order to ensure you have a continuous supply even in droughts. Be aware that if mains water top up is used in a garden system the water cannot be used during a hose pipe ban.



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  • Do I need a soak away?

    All systems require a soak away or discharge point to remove excess water during winter months. It is recommended that a non return valve is fitted at the discharge point. These are available online.

  • Where are the filters?

    The filter is made of stainless steel and is located in the top of the tank. It is self cleaning by the action of the tank overflowing when full.

  • Where is the pump?

    The pump is located in the top of the tank.

  • Is there a Warranty?

    The tanks have a 15 year manufacturers Warranty and the controls/pump have a 2 year manufacturer's warranty.



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  • Does it require concrete backfill?

    Unlike many of the tanks available they are designed with sufficient strength not to require concrete backfill thereby�reducing costs provided they are only subjected to pedestrian loads and they are not in areas where water tables will reach more than one third up from the base of the tank.

  • Is the tank affected by high a water table?

    In areas where it is anticipated that the tank will be submerged by the water table over a third in depth it is recommended that the tank is�reinforced. When selecting the tank select the reinforced�option.

  • Who installs the system?

    The tanks can be installed by any competent ground work contractor providing they follow the installation instruction. The controls are ready assembled and only requires connections by the plumber similar in nature to connecting a water main.

  • How is it delivered?

    Delivery is free of charge within 200 miles of Newark in Nottingha, however mechanical off loading is not included (the customer must supply this), lifting points are fitted to all tanks.



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  • Where can it be installed?

    For general detail see the technical downloads at the bottom of the product page. The tanks can be installed below drives and in cellars subject to a detailed design by your Structural Engineer.

  • How long does delivery take?

    Delivery is usually within 7 days.



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SHEEP WOOL INSULATION - THERMAFLEECE

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  • Where is the wool from?

    All the wool is manufactured in the UK using 100% British sheep's wool.

  • Will the wool delaminate or slump?

    The wool will not delaminate due to the cross fibre technology used in its manufacturing process. It will not slump over its life and will remain stable. As Thermafleece EcoRoll is compressed for transit it should be allowed to regain its form before installation.

  • What percentage of the product is wool?

    Thermafleece contains 85% wool and Thermafleece EcoRoll contains 75% wool.

  • What is the difference between Thermafleece and Thermafleece EcoRoll?

    Thermafleece EcoRoll has a higher polymer content. This allows it to be compressed by 60% to reduce transport costs and energy. The polymers allow Thermafleece EcoRoll to regain its form once opened. For further technical difference see the table on the Sheep Wool page.



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  • Will it fit through a loft hatch?

    No, we advise the use of Thermafleece EcoRoll in restricted areas as it is supplied in a roll just 450mm in diameter.

  • What is the Thermal Conductivity of Thermafleece?

    The thermal conductivity is 0.039 W/mK.

  • Can I download a copy of the BBA Certificate?

    Yes, the BBA certificate is available in the Technical Download section.

  • What percentage of the product is wool?

    Thermafleece is 85% wool.



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  • What is its density?

    It has a density of 25kg/m3.

  • Is it affected by moisture?

    The hygroscopic nature of wool fibres means that Thermafleece can act in sympathy with buildings to control internal moisture levels and contribute to a more stable and comfortable indoor environment.

  • What is the difference of Thermafleece and Thermafleece EcoRoll?

    Thermafleece EcoRoll has a higher polymer content. This allows it to be compressed by 60% to reduce transport costs and energy. The polymers allow Thermafleece EcoRoll to regain its form once opened. For further technical difference see the table on the Sheep Wool home page .

  • How long does delivery take?

    The delivery period is usually 72 hours.



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SHEEP WOOL INSULATION - THERMAFLEECE ECOROLL

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  • Where is the wool from?

    All the wool is manufactured in the UK using 100% British sheep's wool.

  • Will the wool delaminate or slump?

    The wool will not delaminate due to the cross fibre technology used in its manufacturing process. It will not slump over its life and will remain stable. As Thermafleece EcoRoll is compressed for transit it should be allowed to regain its form before installation.

  • What percentage of the product is wool?

    Thermafleece contains 85% wool and Thermafleece EcoRoll contains 75% wool.

  • Will it fit through a loft hatch?

    No, we advise the use of Thermafleece EcoRoll in restricted areas as it is supplied in a roll just 450mm in diameter.



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  • What is the Thermal Conductivity of Thermafleece?

    The thermal conductivity is 0.039 W/mK.

  • What is the Thermal Conductivity of Thermafleece EcoRoll?

    The thermal conductivity is 0.039 W/mK.

  • What percentage of the product is wool?

    Thermafleece EcoRoll is made up of 75% wool and 25% recycled polyester, in order to allow it to be compressed for transportation before returning to its original form.

  • Is Thermafleece EcoRoll affected by moisture?

    The hygroscopic nature of wool fibres means that Thermafleece EcoRoll can act in sympathy with buildings to control internal moisture levels and contribute to a more stable and comfortable indoor environment.



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  • What is the difference of Thermafleece and Thermafleece EcoRoll?

    Thermafleece EcoRoll has a higher polymer content. This allows it to be compressed by 60% to reduce transport costs and energy. The polymers allow Thermafleece EcoRoll to regain its form once opened. For further technical difference see the table on the Sheep Wool page.

  • What is the delivery period?

    The delivery period is usually 72 hours.



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SOLAR PANELS - EVACUATED TUBE

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  • Is my house suitable for solar panels?

    All that is required is an area exceeding 4m2 of roof space facing South between West and East and a location for a hot water cylinder. If you are unsure whether your property is suitable you can either call us and we will take all the details or you can complete the Solar Enquiry Form which you can download from the Technical section in order to enable us to assess your requirements.

  • Can they be used for commercial buildings?

    Solar panels are ideal for commercial buildings, as there tends to be adequate roof space and a high demand for hot water. To enable us to design a suitable system you can either call us or you can complete the Solar Enquiry Form which you can download from the Technical section.

  • Does my roof need to face south?

    If your roof faces Southward between East and West then solar panels are appropriate.

  • Can they be installed on flat roofs?

    Yes, flat roof systems are available to purchase online. They consist of a mounting frame which enables the panels to be set at an angle to maximise their efficiency.



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  • Do I need Planning permission?

    For householders in England the Government has recently added solar panels to your Permitted Development Rights i.e. no planning permission required as long as it is no higher than 200mm (all our on roof systems are less than 200mm) and no higher than the top of the roof, although exceptions apply for Listed Buildings, and buildings in Conservation Areas and World Heritage Sites.

    Householders in Wales, Scotland and Northern Ireland must consult with their local authority regarding planning permission.

  • Do they make electricity?

    Solar panels are used to generate hot water, they do not generate electricity. Photo voltaic panels (PV) generate electricity from the sun. They are not as economical as Solar Thermal and we therefore recommend Solar Thermal as the first option. We can supply PV panels, for more information please call us.

  • Can they be fitted on existing properties?

    The evacuated tubes can be fitted on to existing roofs. This is achieved by bolting the frame to the existing rafters (fittings included). Simply select the on roof option when ordering.

  • Are evacuated tubes the same as vacuum tubes?

    Evacuated tubes are another name for vacuum tubes.



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  • What is the difference between Flat Panels and Evacuate tubes?

    Evacuated tubes have a slightly higher efficiency in areas with less direct sunlight.

  • What is the efficiency of evacuated tubes?

    Evacuated tubes are up to 95% efficient producing up to 70% of your hot water demand across the year.

  • Can they be recessed in the roof?

    No, evacuated tube panels cannot be recessed in the roof.



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SOLAR PANELS - FLAT PANEL

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  • Is my house suitable for solar panels?

    All that is required is an area exceeding 4m2 of roof space facing South between West and East and a location for a hot water cylinder. If you are unsure whether your property is suitable you can either call us or you can complete the Solar Enquiry Form which you can download from the Technical section to enable us to assess your requirements.

  • Can they be used for commercial buildings?

    Solar panels are ideal for commercial buildings, as there tends to be adequate roof space and a high demand for hot water. To enable us to design a suitable system you can either call us or you can complete the Solar Enquiry Form which you can download from the Technical section.

  • Does my roof need to face south?

    If your roof faces Southward between East and West then solar panels are appropriate.

  • Can they be installed on flat roofs?

    Yes, flat roof systems are available to purchase online. They consist of a mounting frame which enables the panels to be set at an angle to maximise their efficiency.



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  • Do I need Planning permission?

    For householders in England the Government has recently added solar panels to your Permitted Development Rights i.e. no planning permission required as long as it is no higher than 200mm (all our on roof systems are less than 200mm) and no higher than the top of the roof, although exceptions apply for Listed Buildings, and buildings in Conservation Areas and World Heritage Sites.

    Householders in Wales, Scotland and Northern Ireland must consult with their local authority regarding planning permission.

  • Do they make electricity?

    Solar panels are used to generate hot water, they do not generate electricity. Photo voltaic panels (PV) generate electricity from the sun. They are not as economical as Solar Thermal and we therefore recommend Solar Thermal as the first option. We can supply PV panels, for more information please call us.

  • Can they be fitted on existing properties?

    Flat panels can be fitted on to existing roofs. This is achieved by bolting the frame to the existing rafters (fittings included). Simply select the on roof option when ordering.

  • What is the difference between Flat Panels and Evacuate tubes?

    Evacuated tubes have a slightly higher efficiency in areas with less direct sunlight.



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  • What is the efficiency of flat panels?

    The flat panels are up to 95% efficient producing up to 60% of your hot water demand over the year.

  • Can they be recessed in the roof?

    Due to the uneven surface evacuated tube panels cannot be recessed in the roof.



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SUNSCOOPS - DOMESTIC

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  • What are sunscoops?

    Sunscoops are a highly reflective tube allowing natural daylight to be piped, even around corners, into rooms that would traditionally been limited to using electrical light fittings or undersized windows.

  • How efficient are they?

    They have a reflectance of 95%. The material used will not attract airborne dust even during installation allowing them to maintain there efficiency.

  • How many will I need?

    The number of sunscoops required depends upon the lighting levels you require, the size of tube used and the length of tubes used. There is a table of performance online in the Technical Download section within both Domestic and Commercial.

  • What colour flashings are available?

    All the flashings are available in red, brown, grey, terracotta and blue/black as standard. All flashings ordered online are grey. All other colours must be ordered via the sales team.

    Colour matching to any roof cover is available as a special order. For further details please contact us.



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  • How do you install them?

    Full instructions are available on line in the Technical Data section.

  • Who installs them?

    They are very simple to install. The flashing is usually installed by the roofing contractor, whilst the tube and diffuser is normally installed by any competent person, such as a joiner or plumber.

  • Can I have a special flashing detail?

    Yes, both colours and roof types (such as standing seams). For further information please contact us.

  • Can they be integrated to suspended ceilings?

    Yes, we supply a 600x600mm sky view diffuser designed to fit in suspended ceilings. It is only available on the 530mm tube models. To order please call us for more details.



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  • Are integrated lights available?

    Yes integrated light fittings are available to allow the unit to act as a night light. For domestic customers they are available as an option online, for all others please call us for more details.

  • How do you turn them off?

    They are constantly allowing the light of the sky into the room, for rooms such as bedrooms, lecture halls etc there is an optional light attenuation damper which will stop the daylight by closing a shutter. To order please call us for more details?

  • Do they have a warranty?

    Yes, the tubes have a 25 year product warranty and the polycarbonate domes have a 10 year product warranty.

  • What is the delivery period?

    Delivery is usually with 72 hours.



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SUNSOOPS > COMMERCIAL

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  • What are sunscoops?

    Sunscoops are a highly reflective tube allowing natural daylight to be piped, even around corners, into rooms that would traditionally been limited to using electrical light fittings or undersized windows.

  • How efficient are they?

    They have a reflectance of 95%. The material used will not attract airborne dust even during installation allowing them to maintain there efficiency.

  • How many will I need?

    The number of sunscoops required depends upon the lighting levels you require, the size of tube used and the length of tubes used. There is a table of performance online in the Technical Download section within both Domestic and Commercial.

  • What colour flashings are available?

    All the flashings are available in red, brown, grey, terracotta and blue/black as standard. All flashings ordered online are grey. All other colours must be ordered via the sales team.

    Colour matching to any roof cover is available as a special order. For further details please contact us.



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  • How do you install them?

    Full instructions are available on line in the Technical Download section.

  • Who installs them?

    They are very simple to install. The flashing is usually installed by the roofing contractor, whilst the tube and diffuser is normally installed by any competent person, such as a joiner or plumber.

  • Can I have a special flashing detail?

    Yes, both colours and roof types (such as standing seams). For further information please contact us for more details.

  • Can they be integrated to suspended ceilings?

    Yes, we supply a 600x600mm sky view diffuser designed to fit in suspended ceilings. It is only available on the 530mm tube models. To order please call us for more details.



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  • Are integrated lights available?

    Yes integrated light fittings are available to allow the unit to act as a night light. For domestic customers they are available as an option online, for all others please call us for more details.

  • How do you turn them off?

    They are constantly allowing the light of the sky into the room, for rooms such as bedrooms, lecture halls etc there is an optional light attenuation damper which will stop the daylight by closing a shutter. To order please call us for more details?

  • Do they have a warranty?

    Yes, the tubes have a 25 year product warranty and the polycarbonate domes have a 10 year product warranty.

  • What is the delivery period?

    The delivery period is usually with 72 hours.



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TRIPLE GLAZED ROOFLIGHTS - MODERN

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  • What is an air tight flashing?

    It is an airtight membrane designed to line the opening internally for the roof light. It is then sealed against the main airtight membrane system (see air tightness range).

  • What is an air permeable flashing?

    It is a beatable membrane designed to seal around the exterior of the window with integrated insulation to reduce cold bridging and improve the encapsulation of the window.

  • What is the u-value (heat loss) of the unit?

    The glass is 0.5 W/m2K and the window is 0.94 W/m2K.

  • How can I buy self cleaning or reflective glass?

    They are available online in the accessory section or call us to arrange an order.



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  • How can I buy sound proof, tinted or obscure glass?

    They are available as special deliveries. Please call us for further details.

  • Why is the flashing charged at £0.00?

    The flashing is included within the window price. This selection is required to enable us to provide you with the correct flashing.

  • How can I order accessories not available on line?

    Please call us for further details.

  • Are the sizes given structural opening sizes?

    No the sizes given are the external frame sizes. A tolerance must be allowed for the structural opening.



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  • What is Top Safe?

    Top safe is a security feature to strengthen the fixings of the window to protect it from forced entry. Many other windows available on the market do not provide this level of security.

  • Can the windows be mounted together?

    Yes, please contact our technical department for individual requirements.

  • What is the delivery period?

    The typical delivery period for standard windows is 6 weeks.



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CONSERVATION STYLE ROOFLIGHTS

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  • What is an air tight flashing?

    It is an airtight membrane designed to line the opening internally for the roof light. It is then sealed against the main airtight membrane system (see air tightness range).

  • What is an air permeable flashing?

    It is a beatable membrane designed to seal around the exterior of the window with integrated insulation to reduce cold bridging and improve the encapsulation of the window.

  • What is the u-value (heat loss) of the unit?

    The glass is 0.5 W/m2K and the window is 0.94 W/m2K.

  • How can I buy self cleaning or reflective glass?

    They are available online in the accessory section or call us to arrange an order.



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  • How can I buy sound proof, tinted or obscure glass?

    They are available as special deliveries. Please call us for further details.

  • Why is the flashing charged at £0.00?

    The flashing is included within the window price. This selection is required to enable us to provide you with the correct flashing.

  • How can I order accessories not available on line?

    Please call us for further details.

  • Are the sizes given structural opening sizes?

    No the sizes given are the external frame sizes. A tolerance must be allowed for the structural opening.



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  • What is Top Safe?

    Top safe is a security feature to strengthen the fixings of the window to protect it from forced entry. Many other windows available on the market do not provide this level of security.

  • Can the windows be mounted together?

    Yes, please contact our technical department for individual requirements.

  • What is the delivery period?

    The typical delivery period for standard windows is 6 weeks.



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ROOFLIGHT ACCESSORIES

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  • What products are available?

    Venetian blinds (Ref AJP) - It can control the amount of light entering a room, reducing solar gain and overheating. The window can still be rotated with the blind pulled down. They are available as both manual and remote controlled.
    Roller blinds (Ref ARS) - It can be set at 3 different positions and provides privacy by covering the window and reduces light entering the room.
    Roller blinds (Ref ARP) - It can be set at any position and provides privacy by covering the window and reduces light entering the room.
    Black out blinds (Ref ARF) - It can be set at any position and provides privacy by covering the window and reduces light entering the room. Provides protection from solar gain and reduces heat loss in winter.
    Pleated blinds (Ref APS) - It can be set at any position and provides privacy by covering the window and diffuses light entering the room. Provides reduction of solar gain.
    Insect blinds (Ref AMS) - It is a glass fibre netting which is mounted on the lining (not the window) to stop insects entering the window when it is open.
    Awning blinds (Ref AMZ) - An externally mounted blind which reduce solar gain up to 8 times more efficiently than an internal blackout blind.
    Roller shutter blinds (Ref ARZ) - Motorised external roller shutter blinds. They provide protection from solar gain and additional security protection. Complete blackout, also available with solar powered motor.
    Sound proof glass.
    Obscure glass.
    Tinted glass.
    Reflective glass.
    Motor and remote control options.

    For further details and colours see the brochure available in the Technical Download section of Accessories.

  • Which blind do I need to stop the room overheating on a hot sunny day?

    All rooms should be protected from overheating. This is especially important with our efficient triple glazed roof lights.
    There are a number of options available to reduce solar gain and overheating.

    Reflective glass acts as an external mirror reflecting the majority of the solar rays.
    External blinds also provide a good reduction in solar gain, and provide the control of light into a room.
    Blackout, Venetian and light reducing blinds all provide an average level of protection.
    Roller and pleated blinds provide a low level of protection.

    For further details see page 5 in see the brochure available in the Technical Download section of Accessories or contact us.

  • Are the blinds available with remote control?

    The Venetian, ARP roller, black out and external roller blinds are all available motorised with remote control.

  • What blind colours are available?

    There are a wide range of colours for the blinds, to see the full range please download the brochure available in the Technical Download section of Accessories or call us.



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  • Are the blinds available with patterns?

    Yes patterned options available with both roller and blackout blinds.

  • Do the external shutters have to be motorized?

    Yes, although there is a solar powered motor option.

  • How long is a telescopic rod?

    The telescopic rod is 119cm long. Rod extensions are available by special order.

  • What is the delivery time?

    The typical delivery time for accessories is 4 weeks.



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WINDOWS/DOORS

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This range of products is currently being developed. Please contact the sales team for more details.