{"title":"XPS Tile Backer Boards","description":"\u003cp\u003eCreate a stable, lightweight and water-resistant surface for tiling with our XPS tile backer boards. Available in 6mm and 12mm thicknesses for suitable wall and floor installations.\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"xps-tile-backer-board-60x120cm","title":"XPS Tile Backer Board – 1200 × 600mm | 6mm \u0026 12mm","description":"\u003cp\u003eCreate a stable, lightweight surface for tiling with Acorn Tiles XPS Tile Backer Boards.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEach board has a high-density extruded polystyrene (XPS) core with a reinforced cementitious coating on both sides. The coated surface provides a suitable key for tile adhesive, while the XPS core offers low water absorption and useful thermal-insulation properties.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe boards measure 1200 × 600mm and are available in 6mm and 12mm thicknesses. They are lightweight, easy to handle and can be cut to size using an appropriate hand tool.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTypical applications\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e• Bathrooms and shower areas\u003c\/p\u003e\n\u003cp\u003e• Wet rooms when installed as part of a correctly sealed system\u003c\/p\u003e\n\u003cp\u003e• Internal tiled walls and floors\u003c\/p\u003e\n\u003cp\u003e• Overboarding suitable existing surfaces\u003c\/p\u003e\n\u003cp\u003e• Creating a stable background for ceramic and porcelain tiles\u003c\/p\u003e\n\u003cp\u003e• Helping reduce heat loss beneath tiled finishes\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eChoosing the correct thickness\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e6mm XPS tile backer board is commonly used for overboarding suitable existing walls and floors where a relatively thin build-up is required.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e12mm XPS tile backer board provides a thicker option for suitable wall and floor applications, including installations where additional rigidity or insulation is required.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe correct board thickness, fixing method and fixing spacing depend on the substrate and intended application. The supporting surface must be sound, stable and capable of carrying the completed tiled installation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eKey specifications\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e• Board dimensions: 1200 × 600mm\u003c\/p\u003e\n\u003cp\u003e• Available thicknesses: 6mm and 12mm\u003c\/p\u003e\n\u003cp\u003e• XPS core density: ≥35kg\/m³\u003c\/p\u003e\n\u003cp\u003e• Compressive strength at 10% deformation: approximately 350kPa\u003c\/p\u003e\n\u003cp\u003e• Thermal conductivity: ≤0.030W\/m·K\u003c\/p\u003e\n\u003cp\u003e• Water absorption: ≤1%\u003c\/p\u003e\n\u003cp\u003e• Reinforced cementitious coating on both sides\u003c\/p\u003e\n\u003cp\u003e• Lightweight and easy to cut\u003c\/p\u003e\n\u003cp\u003e• Suitable for internal tiling applications\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eInstallation guidance\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBoards must be installed onto a suitable, stable substrate using the appropriate tile adhesive and\/or mechanical fixings for the application.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eUse suitable backer-board screws and washers when mechanical fixing is required. Board joints, corners, fixings and service penetrations in wet areas must be sealed using an appropriate waterproof tape or tanking system.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe boards should be installed in accordance with the project specification, applicable standards and the recommendations of the adhesive, waterproofing and fixing manufacturers.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eImportant waterproofing information\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAlthough the XPS core has low water absorption, the board should not be treated as a complete waterproofing system by itself. In showers, wet rooms and other directly wetted areas, joints, corners, fixings and penetrations must be properly sealed.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTechnical values are based on the applicable product test documentation. Suitability must be assessed for each substrate and installation.\u003c\/p\u003e","brand":"Acorn Tiles ","offers":[{"title":"6mm","offer_id":52651240292695,"sku":"XPS6MM","price":6.5,"currency_code":"GBP","in_stock":true},{"title":"12mm","offer_id":52651240325463,"sku":"XPS12MM","price":7.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/5708\/3223\/files\/ChatGPTImageFeb18_2026_03_47_54PM_1.png?v=1771429693"},{"product_id":"100-xps-tile-backer-board-screws","title":"100 XPS Tile Backer Board Screws","description":"\u003cp\u003e100 XPS Tile Backer Board Screws available in 25mm and 38mm\u003c\/p\u003e","brand":"Acorn Tiles ","offers":[{"title":"25mm","offer_id":52820185350487,"sku":"25MMSCR","price":5.0,"currency_code":"GBP","in_stock":true},{"title":"38mm","offer_id":52820185383255,"sku":"38MMSCR","price":6.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/5708\/3223\/files\/IMG20260223124632.jpg?v=1771851045"},{"product_id":"100-32mm-xps-tile-backer-board-washers","title":"100 32mm XPS Tile Backer Board Washers","description":"\u003cp\u003e100 32mm XPS Tile Backer Board Washers\u003c\/p\u003e","brand":"Acorn Tiles ","offers":[{"title":"Default Title","offer_id":52820221919575,"sku":"32MMWASH","price":7.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/5708\/3223\/files\/IMG20260223124449_3868e98e-bc2b-425c-82bc-3c3d8dac47a4.jpg?v=1771851349"},{"product_id":"10lm-xps-waterproof-tape","title":"10LM Waterproof Membrane Tape","description":"\u003cp\u003e10LM x 120mm Waterproof Membrane Tape\u003c\/p\u003e","brand":"Acorn Tiles ","offers":[{"title":"Default Title","offer_id":52820224835927,"sku":"10LMTT","price":15.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/5708\/3223\/files\/72d4c288836f477c24b39c4a1b2770f2.jpg?v=1771930987"},{"product_id":"10lm-waterproof-tape","title":"10LM Waterproof Tape","description":"","brand":"Acorn Tiles ","offers":[{"title":"Default Title","offer_id":54014574362967,"sku":null,"price":12.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/5708\/3223\/files\/IMG20260713115953.jpg?v=1783940854"}],"url":"https:\/\/acorntiles.co.uk\/collections\/xps-tile-backer-boards.oembed","provider":"Acorn Tiles ","version":"1.0","type":"link"}