Electric Underfloor Heating | Buy Tile Backer Insulation Board

Tile Backer Insulation Board

These are a premium reinforced tile backer/insulation board, particularly well suited to use beneath electric underfloor heating applications. Installation below the heating cables or mats on an existing un-insulated concrete or timber sub-floor will greatly reduce warmup time and subsequent running costs. Each 1200mm x 600mm board covers 0.72m2


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Product Description

These are reinforced tile backer boards that can be used with all undertile heating systems. Bond to concrete or screed floor using a flexible tile adhesive or can be screwed to timber or board floors. Can be used with either under tile mat or loose cable heating kits.

Correct insulation forms an integral part of any properly designed and well installed underfloor heating system.

Ambient recommend and supply these insulated tile backing boards for use with our under tile heating cables and mats.

* Price per board inc VAT

A flat rate delivery charge of £9.95 will be applied to these tile backer board orders if bought without a heating kit.


Material Extruded Polystyrene Sheet - Polymer Modified Coating
Sheet Dimensions 1200mm x 600mm
Thermal Conductivity 0.027 W/mK
Capillarity Nil
Compression Strength 30 t/m2
Water absorption <0.1 vol%
Tensile Strength 350 KPa
Fire Protection Class Bs 3837:B1 DIN


Concrete Subfloors

When installing any type of tile backer board onto concrete sub floor we recommend using Ultra™ Flexible Tile Adhesive, please make sure the floor is primed with a suitable primer before installation.

Wood subfloors

When installing onto wooden floors we recommend using a Ambient insulation fixing pack or suitable screws and washers. Screws and washers must be fixed at minimum 300mm centers. This is approx 15 fixing per boards.

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