On one wall its covered with 12mm plywood presuming that the walls were uneven when kitchen went in the tiles they are using are 20×20 plain white am i right in thinking that i cant put adhesive straight onto the plywood and would be better off putting backerboard or plasterboard onto the plywood first then tiling over this. While most floor tile these days is installed onto a layer of cement board or similar backerboard it is possible to lay tile directly over plywood.
Under british standards bs 5385 part 1 plywood has now been excluded as a suitable substrate material for the direct fixing of wall tiles therefore when tiling on to walls a tile backer board is required.
Tile onto plasterboard or plywood. Bare plasterboard mdf or particleboard should be sealed. A number of different types of substrate are used for tile including plywood. For wall installations plywood is overkill beneath the concrete or fiber board which is designed in five eighths inch material for wall settings.
The tiler is then going to stick this 100 waterproof membrane aparantely its new 50 a role only just on the market onto teh plywood upon which the tiles will be stuck grouted. It contains oils that are sensitive to temperature changes. The preferred method for tile installations is to use a sheet of underlayment.
But with the ply either use an adhesive to go straight on to wood or water down a 50 50 mix of pva and roller that on and allow to dry until next day. Anyway one of his building mates he recommend is going to removed the shower and remove old plasterboard and replace with 12mm plywood. Mdf board or chipboard can also be tiled over but not in wet or humid areas.
Move the spreader down the face of the tile to remove any excess grout leaving a indentation between the tiles about the depth of your thumb tip. Although wall tiles can t expand and contract plywood can be used for tiling your floor. But a number of precautions must be taken to ensure a successful installation.
Thanks for any help. Wipe the tile down with a damp sponge to remove any. However tiling onto plywood floors is still acceptable under british standards.
Wall tiles can be applied over a range of surfaces including plasterboard fibre cement board plywood solid plaster brick or blockwork. You can use plywood for tiling floors but when it comes to walls it is unfit. As plywood goes under a continuous change in size tiles and grout can crack and cause irreversible damage.
You can tile onto plasterboard straight away. If possible you should always use concrete board underlayments rather than plywood. The heat will only loosen the grip of the adhesive.