Ceramic Tile Over Wood Subfloor

Tile installed over wood floor systems must have a minimum of 1 1 4 inches of solid material beneath it.

Ceramic tile over wood subfloor.

Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick. An extra layer of ceramic tile adds substantial thickness to the flooring layer. It allows the tile layer to move independently of the subfloor so expansion and contraction caused by moisture and thermal gradients won t cause the grout or tiles to crack. 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.

While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself. It can also require that doors be trimmed and trim moldings reinstalled to accommodate the height changes. Try laying tile over 1 2 durock or hardie and see what happens when the joists are 19 2 or 24 on center. Tape over holes and.

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. A membrane is easier to install than cementboard. However there is a new product by schluter called the ditra system. To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile.

Hope you didn t like your beautiful new tile floor. Second the strength of wood boards isn t always consistent. 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. First of all tile definitely should not be put down over a wood sub floor.

First changes in humidity make solid wood shrink swell and cup more than plywood. This means you can have a 3 4 inch wood subfloor covered by 1 2 inch plywood cement board or approved gypsum fiber underlayment. Use intervening layers of two sheets of plywood. It is an orange colored membrane designed as a backer for tile.