Ceramic Tile Over Wood Subfloor

Chipboard cushioned vinyl flooring particle boards of any type oriented strand board osb interior grade plywood tongue and groove planking and hardwood floors are unsuitable substrates for direct installation of ceramic tile.

Ceramic tile over wood subfloor.

Tape over holes and. This means you can have a 3 4 inch wood subfloor covered by 1 2 inch plywood cement board or approved gypsum fiber underlayment. Hope you didn t like your beautiful new tile floor. Tile installed over wood floor systems must have a minimum of 1 1 4 inches of solid material beneath it.

First changes in humidity make solid wood shrink swell and cup more than plywood. Try laying tile over 1 2 durock or hardie and see what happens when the joists are 19 2 or 24 on center. 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. It is an orange colored membrane designed as a backer for tile.

First of all tile definitely should not be put down over a wood sub floor. This may be a problem if it creates a noticeable offset to adjoining floor surfaces such as between a ceramic tile kitchen and wood floor dining room. An extra layer of ceramic tile adds substantial thickness to the flooring layer. 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.

Use intervening layers of two sheets of plywood. The compound must be allowed to dry completely before proceeding with tile installation which can be anywhere from 24 hours to a few days depending on the brand. However there is a new product by schluter called the ditra system. It can also require that doors be trimmed and trim moldings reinstalled to accommodate the height changes.

Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick. Second the strength of wood boards isn t always consistent. While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself. It won t allow moisture from the subfloor to weaken the bond of the tiles to the floor.