A plywood subfloor must be structurally sound and able to support the installation.
Ceramic tile over wood subfloor installation.
Hope you didn t like your beautiful new tile floor.
Use intervening layers of two sheets of plywood.
Tile can be installed over a plywood substrate and it is actually a fantastic way to make sure you don t have deflection in your floor.
Try laying tile over 1 2 durock or hardie and see what happens when the joists are 19 2 or 24 on center.
Lay down inch exterior plywood the opposite direction and screw to the inch.
While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself.
Laying tile on plywood.
The 2 3 s would be standing up on their side so.
If installing over an appropriate wood surface sand the wood to make it smoother and remember that the installation will work better over a subfloor at least 1 1 8 inches thick.
First changes in humidity make solid wood shrink swell and cup more than plywood.
Cement backer board can provide a solid flat surface to install tiles on if you have a wood subfloor.
Tile floors are heavy and tile is a hard material.
Build a structure of 2x3 s with 8 inches of space between the boards.
Second the strength of wood boards isn t always consistent.