“X-TREME Tile Backer Board”

X-TREME Tile Backer Board is a better environmental alternative and upgrade to replace gypsum and plywood products for walls, floors and counter tops. These products are typical used in wet areas as a tiling underlayment where they are extremely prone to deterioration or delimitation should moisture penetrate through a crack in the wall or floor. When installed in accordance with the X-TREME TILE BACKER BOARD INSTRUCTIONS this should not happen


  1. Erect vertical timber studs at maximum 600mm centres
  2. Cut your X-TREME Backer Board Board to the desired size using a standard utility knife and applying the score and snap method
  3. Fix the board using stainless steel alkali resistant countersunk screws. Ensure screws are spaced a minimum of 15mm from the edge of the board at 300mm intervals.Boards should be staggered when fixing with the. four corners of the boards never meeting.
  4. 6mm X-TREME Board should be fixed to the floor using alkali resistant stainless steel countersunk screws at maximum 200mm centres. The substrate should be clean and completely level. A silicone bead should be installed at the internal joints before tiling and again after tiling in line with best practise.
  5. Alkali resistant  joint should applied to the joints .This tape should be embedded in tile adhesive. Once dry you should prime boards before applying tile adhesive and tiles.