Tiling A Floor Over Plywood

Use thinset with a higher latex content.

Tiling a floor over plywood.

Ceramic tile doesn t expand contract nearly as much. 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. As the plywood or osb expands the ceramic won t. While tile can be laid on plywood do not install tile directly onto.

However tiling onto plywood floors is still acceptable under british standards. Tips for laying tile on plywood subfloor for flooring use intervening sheets of plywood. 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. 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.

Under british standards bs 5385 part 1 plywood has now been excluded as a suitable substrate material for the direct fixing of wall tiles therefore when tiling on to walls a tile backer board is required. Lay down a vapour barrier overtop the concrete pad then fasten 3 4 inch plywood using a ramset to the concrete pad. Use the right. To install the concrete board apply tile adhesive to the back then press it down against the plywood.

If you add a layer of plywood or cementboard however you could raise the floor by as much as 3 4 inch not including the extra height added by the tiles themselves. With a trowel scoop out and spread enough mortar on. If you put tile directly on top of plywood it will chip and break. Follow the directions on the packaging to properly mix the thin set mortar.

Increasing the floor height can create problems in a room with cabinets or a toilet and it may cause headaches at transitions to other rooms with different flooring. You cannot install tile directly onto plywood because it is not dimensionally stable. Hope you didn t like your beautiful new tile floor. A couple options considered are.

Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor. Install 1 4 inch cork by thin setting it to the concrete pad then installing the heating system by fastening it to. Install concrete board over the plywood. Try laying tile over 1 2 durock or hardie and see what happens when the joists are 19 2 or 24 on center.

To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile.