Cement-Coated XPS Tile Backer Board: Insulates Under UFH (video guide)

The cement-coated XPS tile backer board from MaxHeatUFH is a rigid XPS insulation board with a fibreglass-reinforced cement coating on both faces, ready to tile. It stops heat going down into the subfloor under electric and wet underfloor heating.

Watch the full video and the quick version below, and download the data sheet and install manual for the exact specification.

Key facts

• XPS core, cement coating on both faces
• Waterproof, for floors and walls
• 1200 x 600mm in 6, 10 or 20mm
• 350 kPa compressive strength
• Thermal conductivity 0.033 W/m·K
• 6mm board weighs 2.3kg

How to fit it

1. Bed the boards in flexible tile adhesive, staggering the joints
2. Fix with insulation board washers
3. On timber, use 10 to 12 screws and washers per board
4. Lay the heating and cover with self-levelling compound
5. Tile with flexible adhesive

Buy it

The Cement-Coated XPS Tile Backer Board 1200 x 600mm is available from MaxHeatUFH. Order by 12pm on a working day for next working day UK delivery. Trade customers see their trade price when logged in.

Planning a whole floor? Design your UFH system yourself in 3 minutes with MaxHeatUFH ProLoop and get an instant quick design and quote.