There are two materials commonly used for laying ceramic on plywood or osb that are applied before the tile.
Tile over osb wall.
You can tile over plywood proper grade of ply because the proper thinset will bond with the continuous layer of wood veneer.
Manufacturers generally recommend that the deflection of the subfloor system be limited to no more than span 360 under total load.
Concrete board concrete board also called backer boardcomes in 1 4 and 1 2 thicknesses and is usually sold in 4 x 6 sheets.
Ceramic tiling can be installed onto 23 32 osb subflooring panels where the panels are supported by 16 o c.
It should be fastened to the subfloor using thinset and then screwed down every 10 square.
The underside of an osb subfloor must be properly protected from.
Tile can be safely installed to the redgard coated osb with one of custom s polymer modified thin set or medium bed mortars.
Hence osb is rarely used for an underlayment tiler.
In this episode of tiletv we answer the popular question can i install tile directly over osb.
When tiling to osb the thinset has to try to bond with wood strands or wood chips and the resin or binder that holds the chips together.