Green House Insulation Materials
Insulation is a key component of sustainable building design. A well insulated home reduces energy bills by keeping warm in the winter and cool in the summer, and this in turn cuts down carbon emissions linked to global climate change.
In terms of energy efficiency, investing in high levels of insulation materials for your home is more cost-effective than investing in expensive heating technologies. It is worth taking the time to choose the right materials in the context of whole building design.
Insulation materials work by resisting heat flow, measured by an R-value (the higher the R-value, the greater the insulation). This R-value varies according to material type, density and thickness, and is affected by thermal bridging, unwanted heat flow that occurs at joists, studs and rafter beams.
Conventional insulation materials are made from petrochemicals and include: fibreglass, mineral wool, polystyrene, polyurethane foam, and multi-foils. These materials are widely used because not only are they inexpensive to buy and install, but there is an assumption from the building industry that their performance ability is higher than the natural alternatives.
What is Green House Insulation Material?
Green House Insulation Material is a highly efficient extruded foamed polystyrene polymer available in sheet and rolls form suitable for thermal and noise insulation purposes.
What purpose does Green House Insulation Materials have?
Green House Insulation Material is used to improve the efficiency and reduce energy consumption of an underfloor heating system. It reflects heat and prevents conduction of heat into the sub-floor beneath the underfloor heating system.
It certainly makes sense to use insulation between the sub-floor and the underfloor heating system. In addition to reducing energy consumption it means that the floor warms up faster too.
How is Green House Insulation Material supplied?
Green House Insulation Materials is available as 5-mm or 6-mm thick sheets.
How is much Green House Insulation Material do I need?
Just measure the room and calculate its area. Round-up the number to the nearest
square meter and then order that quantity of Green House Insulation Materials to insulate the floor.
Can I use Green House Insulation Materials with Green House Nano Carbon Film underfloor heating elements?
Yes, you MUST use 5-mm thick sheets of Green House Insulation Materials as an underlay between the sub-floor and the Green House Nano underfloor heating system. In fact, a double layer is 
recommended on floors with no insulation or in conservatories.
Green House Insulation thermal insulation sheets and rolls improve the energy efficiency of the
underfloor heating system and they accommodate the wiring beneath the laminate floor without having to make channels in the floor.
The Green House Insulation Materials underlay makes the floor “feel” warmer and quieter to walk on so is to be recommended for use under laminate floors even if you don’t fit Green House Systems Nano underfloor heating!
Are there other types on insulation that I can use?
Yes, there are a variety of cementations faced insulated tile backer boards on the market, all of which are fairly similar in design and efficiency. Marmox, WEDI board, Tuflite or, Knauf Aquapanel tile-backer boards are all suitable but relatively expensive.
So why choose Green House Insulation Materials?
Green House Insulation Material is environmentally friendly, safe and easy to use and has many benefits for the installer and end user.
Who can install the Green House thermal insulation?
Anyone can install Green House Insulation Materials. It is so easy and there are no hazards. Light and easy to handle, it is cut with scissors or sharp knife. No shreds of fibre glass or asbestos to worry about. Simply measure and cut the sheets to size.
It is important to follow the installation instructions correctly though as Green House Systems is the foundation upon which your new electric underfloor heating system is laid.
Oh. Yes – we DO provide full and comprehensive installation instructions to ensure that you get it right. In addition to supplying installation instructions with every pack of Green House Systems we provide them on this web site. Please refer to the “documents” download section
for information “ Installation instructions for Green House Systems” for more details.
It is absolutely essential that the sub-floor is adequately prepared as part of the overall installation procedure to install electric underfloor heating systems to ensure that you do not suffer problems with your floor later.
The sub-floor must be flat, smooth, clean and free from old adhesive residues, oil or bitumen and it must be secure and sound. If appropriate, apply a universal subfloor smoothing compound to repair a damaged concrete sub-floor. Green House Systems’ insulation may be installed over a bitumen floor to provide a suitable surface for subsequent tiling.
What if I have a NEW concrete floor?
A New concrete floors must be allowed time to cure naturally. This will depend on weather conditions but normally 1 week per 25 mm is taken as a guideline.
However you can use Green House Polybond Epoxy DPM two-part water based epoxy specially formulated to act as a Damp-Proof Membrane on porous cementations sub-floors.
It may be applied to damp concrete floors. Once cured the tough film is completely waterproof and is unaffected by adhesives, bonding agents, leveling compounds and screeds.
What is the preparation for solid concrete floors?
Solid floors concrete or screed sub-floor must be flat, smooth, clean and free from old adhesive residues, oil or grease and dust free. If appropriate repair a damaged concrete sub-floor by filling cracks and holes with a suitable material that will provide the required strength and stability necessary. Prime the concrete or screed sub-floor using one part of Green House Polybond Universal PVA Adhesive diluted with five parts of water and allow drying adequately to ensure a good bond between the concrete or screed sub-floor and the Green House Insulation sheets.
What is the preparation for suspended floors?
Whether or not you intend to install Green House Insulation sheets to a suspended timber sub-floor it is essential that the sub-floor is suitably prepared to prevent subsequent movement that will cause the grouting to crack or come out of the tile joints and possibly even the tiles coming loose when fitting electric underfloor heating.
First ensure that the floorboards or chipboard is securely fixed to the joists. If in doubt use countersunk head screws or ring nails at 300 mm centers across the whole area to be heated to provide a stable floor finish. We recommend that either18mm thick plywood (Marine or WBP – weather and boil proof – grade) board be fitted over the original floorboards or chipboard to ensure that the floor is stable. The plywood must be secured using countersunk head screws at 300 mm centers across the whole area to be covered.
Prime the plywood using one part of Green House Polybond Universal PVA Adhesive diluted with five parts of water and allows drying adequately to ensure a good bond between the plywood and the Green House Insulation sheets.
What adhesives may I use with Green House Insulation sheets?
Use only Green House Polybond universal PVA adhesive or similar PVA adhesive. Do not use any other type of adhesive – Green House insulation is attacked and dissolved by organic solvents and should not come into contact with materials containing organic solvents and/or plasticisers.
How do I install Green House Insulation Materials for use under Green House heating elements?
If you are laying Green House Systems carbon film heating element beneath a wooden laminate floor you can omit the PVA adhesive and simply lay the Green House insulation sheets down and tape the edges where sheets meet to prevent them ‘riding up’ and then proceed in accordance with instructions supplied with the product. However, we do recommend that you stick Green House insulation onto the floor with Green House Polybond Universal PVA adhesive to provide a stable and secure sub-floor base.
What are the Health and Safety guidelines to be observed with PVA adhesives?
Good industrial and personal hygiene should be observed in respect of Green House Polybond Universal PVA adhesive or other similar adhesives that may be used to stick Green House insulation sheets in place. As with many chemical products, persons known to have a history of dermatitis, skin sensitization or asthma should not work in direct contact with PVA, except with medical approval. If using in confined areas ensure adequate ventilation. Where risk of splashing occurs, wear goggles. If prolonged contact is possible wear gloves and overalls.
Splashes in the eye must be washed out immediately with clean water for at least 10 minutes, then seek medical attention.
The skin should be washed with water before the PVA dries. Any dried resin can be removed with hot water or skin cleansers. Solvents must not be used.
How long will the Green House thermal insulation last?
Green House Insulation Material is resistant to cement and most building materials, it does not age, rot or, go mouldy and is unaffected by water. When fitted according to our installation instructions booklet Green House Insulation Material should last as long as the building. We give the same 20-year guarantee for Green House Insulation Materials as we do to the Green House Systems Nano Heating Film.
How much extra will it cost to buy Green House Insulation Materials for my underfloor heating system?
As an example, the total cost for an electric underfloor heating system for a 4 m² bathroom (2m x 2m) with a timber floor fitted with a 2.0 m² Green House underfloor heating film rated at 220 watts including the floor sensor and Green House Thermostat, would be £226 plus VAT.
To add 5-mm thick Green House insulation would cost £32.00 (4m² x £8/m² = £32) or just 14.2% extra to bring the total to £258 plus VAT.
Are you sure that Green House Heating Systems are suitable for use under ceramic tiles?
Yes, we have a great many installations and they all operate successfully. The only failure that we have ever heard about was when the installer didn’t read our full installation instructions and stuck the Green House thermal insulation sheets down with tile adhesive.
But isn’t Green House Insulation Material too soft?
No, Green House Insulation sheets have compression strength of more than 150,000 Pascal and when installed correctly they will provide a stable floor and support extremely high loads.
For example, an area the size of one 30 cm x 30 cm floor tile will support a weight of more than a ton (1000 kg) without compressing the Green House Insulation sheets beneath it by more than a few thousandths’ of an inch. This infinitesimal movement is less than occurs naturally in typical timber sub-floors which are subject to slight movements constantly.
The correct, good quality, flexible tile adhesive and grout will accommodate these infinitesimal movements adequately provided that the sub-floor has been properly prepared and these installations have been followed correctly.
But I can press my fingers into Green House Insulation Materials are you sure it is suitable?
Yes, we are. Just think about what happens when a woman in high heel shoes walks across a cork tiled floor. The very high loads applied via the small area of the heel of the shoe press into the cork and deform it. When people walk across the floor in “normal” shoes where the load is evenly distributed there are no marks to show deformation.
TECHNICAL DATA
- Material Foamed Polystyrene
- Material thickness 5 mm and 6 mm available
- Density 5 mm – 35 kg/m³ / 6 mm – 33 kg/m³
- Thermal conductivity 0.035 W/m² K
- Operating temperature – 60 °C to +70 °C
- Melting temperature >160 °C
- Thermal decomposition >330°C
IGNITION TEMPERATURE
- With flame influence 350 – 400 °C
- Without flame influence 450 – 500 °C
- Water absorption < 0.1%
- 5 Adhesive Water based without solvent
CHARACTERISTICS
- High thermal insulation capacity
- Reflects heat
- Does not rot or go mouldy
- Environmentally friendly
- Blocks out damp and cold
- Resistant to cement and most building materials
- Does not age
- Closed cell structure – waterproof and water repellent
- Easy to cut with a knife or scissors
- Safe to use – no asbestos, no harm to health
- Light and easy to handle
- Colour – dark grey
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