
Build Walls, Floors and More with Tile Backer Board
Tile Backer / Construction Board

- Superior multi-purpose thermal construction board.
- Extruded polystyrene core with reinforced cement polymer coating.
- Water resistant – ideal for use in areas subject to prolonged/permanent water immersion.
- Thermal properties reduce heat loss when used underneath under-floor heating systems.
- Excellent compressive strength, impact strength, sound reduction and fire resistance.
- Designed for the application of all tile types, cement based screeds and synthetic renders.
- Easy to use and fix using cement based flexible tile adhesive or screws and washers.
Technical Specification | Value |
Compressive Strength (10% deformation) BS EN 826 | 300 kPa |
Thermal Conductivity to BS EN 13164 (5 years) | 0.033 W/mK |
Water Absorption by volume tested to BS EN 12087 | 0.6% |
Density (foam core only) | 36kg/m3 |
Temperature Range | 50, +75 Degrees |
Fire Performance BS 476 part 6, 7 surface spread of flames/EN 13501-1 | Class O/Euroclass E |
Sound Reduction to BS EN 10140-3 test results based on 6mm board | 19dB |
Tile Backer Board Sizes
1200 x 600mm Boards
Size Thickness U-Value Code 1200 x 600mm 4mm 3.75 w/mk TB1204 1200 x 600mm 6mm 3.05 w/mk TB1206 1200 x 600mm 10mm 2.23 w/mk TB1210 1200 x 600mm 12.5mm 1.91 w/mk TB1212 2400 x 600mm Boards
Size Thickness U-Value Code 2400 x 600mm 10mm 2.23 w/mk TB2410 2400 x 600mm 12.5mm 1.91 w/mk TB2412 2400 x 600mm 20mm 1.33 w/mk TB2420 2400 x 600mm 30mm 0.95 w/mk TB2430 2400 x 600mm 40mm 0.75 w/mk TB2440 2400 x 600mm 50mm 0.61 w/mk TB2450 2400 x 600mm 60mm 0.51 w/mk TB2460 2400 x 600mm 90mm 0.39 w/mk TB2490 Recessed Wall Niche
Recessed Wall Niche
- Pre-formed alcove for shower spaces.
- Creates a recessed shelf to provide extra space for toiletries.
- Fits wall cavity 100mm or deeper.
- External fascia may be trimmed.
- Waterproof and ready to tile.
- Constructed from 12.5mm Tile Backer Board.
- Provides thermal insulation.
- Pre-constructed to guarantee conformity and size.
- Can be used in either landscape or portrait orientation.
Internal Dimensions External Dimensions Code 200 x 400 x 85mm 300 x 500 x 100mm MN200 300 x 400 x 85mm 400 x 500 x 100mm MN300 400 x 400 x 85mm 500 x 500 x 100mm MN400 500 x 400 x 85mm 600 x 500 x 100mm MN500 Curved Tile Backer Board
- Cuts allow the board to bend to a tight radius.
- Used for constructing curves such as corners or steam room ceilings.
Size Cut Direction Thickness Code 1200 x 600mm 1200mm 20mm TB12CBL 1200 x 600mm 600mm 20mm TB12CBS Raised Plinth Kit
- Provides a 90mm raised plinth to allow a waste pipe run.
- Can be used with any of our wetroom kits.
- 2 x Tile Backer Boards each measuring 2400 x 600 x 90mm.
- 2 x Tubes of High-Grab MS Polymer.
- Simply cut boards to size and bond deck to the plinth.
- Plinth kit must be fully supported underneath ie.18mm plywood.
Code: TB24RPK
Marmox Sound Board
- Provides impact noise reduction of 20 decibels.
- Waterproof and thermal insulation properties.
- 2mm synthetic rubber facing.
Size Thickness Code 1250 x 600mm 8mm TB128SB 1250 x 600mm 12mm TB1212SB Corner Element Tile Backer Board
- 90 degree angle.
- Used for boxing in soil pipes.
- 200mm x 200mm
- Length 2600mm
- Thickness 20mm
Code: TB90CE
Bath Panel
- Adjustable legs.
- Easily cut to size on site.
- Made to measure service available.
Size Thickness Code 2100 x 600mm 30mm TB21BP 730 x 600mm 30mm TB07BP Tile Backer Board Fixings
Screws and Washers
- Zinc plated screws.
- 35mm diameter galvanised washers.
- Length 25mm or 45mm
- Countersunk.
- Packs of 50.
25mm Code: TBSW25
45mm Code: TBSW45Washers
- 35mm diameter galvanised washers.
- Countersunk.
- Packs of 100.
Code: TBW35
High-Grab MS Polymer Adhesive
High-Grab MS Polymer
- Highly durable, totally waterproof adhesive.
- Bonds and seals many different surfaces.
- 290ml cartridge.
Code: MSP290
Tanking Systems