Tile Over Osb Wall
As the plywood or osb expands the ceramic won t.
Tile over osb wall. I have ripped up many a floor with 1 2 plywood as the tile substrate over 5 8 sheathing. Regular seasonal humidity shifts are significant enough to make the average 10 x 10 wood subfloor floor expand or contract as much as 1 2. Ceramic tile doesn t expand contract nearly as much. Cab anyone advise if it is acceptable to tile directly onto osb board for wall tiles.
Therefore according to the 2012 tcna handbook they are not recommended as a substrate material for direct bonding of ceramic or natural stone tile with cement mortars. Always follow the manufacturer s installation. How to tile over existing wall tile. 1 2 cement board over 5 8 plywood is often frowned upon as the cement board offers up no rigidity to the floor assembly.
Im concerned that the tiles wont stick to the wax like board or should i clad it in tiling board and screw the backer board to the osb my problem with that is the connections into the wc may now be too short to connect properly as the ceramic tiles are 8 9 mm thick and i. Plywood manufactured with a fully waterproof adhesive and with an. Plywood and osb expand and contract with humidity and temperature much more than ceramic tile. Colorful tiles may go out of style and some tiles are inappropriate for the space.
If possible you should always use concrete board underlayments rather than plywood. Planning and patience along with these tips will help ensure that you install the quality of finished flooring you are looking for. The preferred method for tile installations is to use a sheet of underlayment. For wall installations plywood is overkill beneath the concrete or fiber board which is designed in five eighths inch material for wall settings.
Osb panels provide an excellent base for many types of finished flooring including ceramic tiles if careful attention to the construction and preparation of the subfloor is paid in order to avoid costly callbacks. 1 2 plywood over 5 8 sheathing and then ditra nobel ts or 1 4 cement board makes for a tank of a floor. I have done in the past but wonder if this will hold up in longterm. Board is secured and has minimal if no deflection.
Wood based panels like oriented strand board osb expand and contract with changes in moisture content.