Underfloor Heating Insulation - Marmox helps to reduce the running costs of your underfloor heating system.
Hot Floors recommends Marmox Insulation / Tile Backer boards for use with our underfloor heating cables and heating mats.
Marmox reduces the running costs and the heat up time of your underfloor heating system.
In order to get the most from any heating system, Insulation plays a key role. The better the room is insulated the better your heating system will work, giving you a faster heat up time and reduced running costs.
In new build projects, modern building regulations require a high degree on insulation by default. The biggest problem is in older buildings where the amount of insulation is unknown. It is therefore older buildings where insulation boards are ideal.
Marmox is boards are 100% waterproofed and are therefore ideal for use in bathrooms and wet rooms to provide a tanking solution. Our wet room kits use Marmox products in this way.
Marmox insulation boards have many properties that help to improve your underfloor heating system. These are:-
- Thermal Insulation - U value between 4.5 and 0.54 depending on board thickness
- 100% Waterproof
- Impact sound reduced by 25 decibels
- Load bearing - 30 tonnes per square metre
- CFC / HCFC and asbestos free
- Weatherproof
Instructions for fixing Marmox to Walls and Floors is available. Marmox is available in the following thicknesses, each sheet is 1250mm long and 600mm wide.
| Thickness | Comments | Price (Inc Vat) | Purchase |
| 6.0 mm | For use where you can't increase the floor height | £10.16 | 
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| 10.0 mm | Standard size board | £10.16 |
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| 12.5 mm | Same thickness as plasterboard | £12.00 |
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| 20.0 mm | For use on the floor when using a Marmox Shower tray | £12.98 |
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| 20.0 mm | 20mm CURVED Marmox Boards | £19.98 |
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| 30.0 mm | Ideal for use in older buildings | £15.03 |
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| 40.0 mm | Ideal for use in older buildings | £16.74 |
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| 50.0 mm | Ideal for use in conservatories and outside building | £17.94 |
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Accessories for use with Marmox boards:-
| Item | Description | Price (Inc Vat) | Purchase |
| Metal Washers | 100 x 36mm Metal washers for fixing marmox to the floor | £18.68 |
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| Plastic Washers | 100 x 50mm Plastic washers for fixing marmox to walls | £18.68 |
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| Reinforcement Tape | 90 metre tape for reinforcing joints between marmox boards | £4.99 |
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| Waterproofing | Waterproofing solution and tapes to waterproof joints | £31.73 |
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