Ceramic Tile Over Osb Floor

Cab anyone advise if it is acceptable to tile directly onto osb board for wall tiles.

Ceramic tile over osb floor.

This will cause either the tile itself to crack and even come loose or cause the grout to crack inside the joints. Ceramic tile doesn t expand contract nearly as much. Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c. Plywood and osb expand and contract with humidity and temperature much more than ceramic tile.

Cut the backerboard to fit the edges of the room with a carbide tipped scoring tool. Lay down 1 2 inch thick cement backerboard over the wood subfloor or hardwood. 1 2 plywood over 5 8 sheathing and then ditra nobel ts or 1 4 cement board. Once spread it is dry and ready for flooring installation in about one hour.

What is your method for tiling over osb floors. 1 2 cement board over 5 8 plywood is often frowned upon as the cement board offers up no rigidity to the floor assembly. Preparing your subfloor for tile in this video learn how to prepare a wood or concrete subfloor for tile including such steps as checking for dips installing backerboard applying primer and thinset pouring liquid underlayment and when to use osb or exterior grade plywood. The floor tiles became loose cracked and ugly looking over about 2 decades of use.

Always follow the manufacturer s installation. Now the entire flooring of ceramic tiles needs to be torn out and replaced. Board is secured and has minimal if no deflection. 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.

Planning and patience along with these tips will help ensure that you install the quality of finished flooring you are looking for. Installing ceramic floor tile to a plywood sub floor has unique challenges beyond that of installation on a concrete floor. We are thinking about having the 3 8th inch plywood torn out and replaced by 1 4 inch concrete board before the new tiles are installed. 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.

Both are portland cement based with a compressive strength of 4 500 psi pounds per square inch and can also be used over concrete ceramic tile quarry tile terrazzo and existing asphalt adhesive residue. Plywood or osb flakeboard can expand and contract at too high a rate to be a stable foundation for tile. I have done in the past but wonder if this will hold up in longterm.