Tips for laying tile on plywood subfloor for flooring use intervening sheets of plywood.

Tile over wood subfloor. Trowel out bed of unmodified thinset over wooden subfloor. Installing over existing tile before installing ceramic tile over the existing tile you will need to roughen the existing ceramic tile surface to produce a better grip for the new ceramic tile. First changes in humidity make solid wood shrink swell and cup more than plywood. While tile can be laid on plywood do not install tile directly onto.

Splits and knots create weak spots that flex. Lay down 1 2 inch thick cement backerboard over the wood subfloor or hardwood. However there is a new product by schluter called the ditra system. 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.

Place hardiebacker in staggered pattern so no four corners meet. It is an orange colored membrane designed as a backer for tile. Use the right. Cut the backerboard to fit the edges of the room with a carbide tipped scoring tool.

First of all tile definitely should not be put down over a wood sub floor. Tape joints with alkali resistant cement. If the tile is being installed in a bathroom consider applying an isolation membrane over your wood subfloor to further protect against expansion and contraction. Use thinset with a higher latex content.

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