Putting Down Tile On Plywood

You cannot install tile directly onto plywood because it is not dimensionally stable.
Putting down tile on plywood. Thinset is the wet base that you first trowel on the plywood to make the tile. The best method is to refasten the subfloor then add a layer of plywood. After all backer board sheets are in position remove. You can t tile on plywood because it expands and contracts but it s okay to put down a backer board directly on top of this plywood.
According to backer board manufacturers and tile setters installing backer board directly over an old solid wood subfloor is risky for a couple of reasons. Use the right. Leave a 1 4 inch gap between the edges of the backer board and the walls to allow for subfloor expansion and contraction. Arrange the sheets so that the ends are staggered and don t align with each other.
In other words be sure that no four. To install the concrete board apply tile adhesive to the back then press it down against the plywood. While tile can be laid on plywood do not install tile directly onto. If you put tile directly on top of plywood it will chip and break.
Loose areas on an existing plywood subfloor can cause peel and stick tiles to lift over time. First changes in humidity make solid wood shrink swell and cup more than plywood. If that s the case the backer board will shift loose over the same period of time due to the ply expanding and contracting even if it s screwed down. Then you want to install screws into the concrete board in each of the holes.