Tiling Onto Plywood Floor Pva

If you are tiling on a plywood floor with tiles above 400mm by 400mm in size or heavier tiles made of stone quartz or terrazzo you will.

Tiling onto plywood floor pva. But a number of precautions must be taken to ensure a successful installation. While some types of plywood can be used in certain types of tile installations use of the material has limitations. 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. Although wall tiles can t expand and contract plywood can be used for tiling your floor.

For the best results when tiling onto plywood floors follow these instructions. A number of different types of substrate are used for tile including plywood. As plywood goes under a continuous change in size tiles and grout can crack and cause irreversible damage. Lay tiles with a suitable flexible tile adhesive.

Professional tillers use pva to seal the surface. Lay tiles with a 3mm bed of improved flexible tile adhesive s1 such as weberset spf or weberset rapid spf and leave joints of at least 3mm wide for grouting and make provisions for movement. Basically your tiles grout and adhesive are being held in place by a thin layer of pva. 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 however tiling onto plywood floors is still acceptable under british standards.

For wall installations your real concerns are whether you want to use thinset directly on the wood and whether you are using an exterior or interior type of plywood. It is more important as a subfloor than anything else.