Marble Tile Subfloor Requirements

Marble tiles are heavy and if the existing subfloor isn t structurally sufficient it will have to be reinforced before the tiles are installed.

Marble tile subfloor requirements.

Subfloor preparation is similar cement board underlayment installed over a sturdy plywood subfloor is the best base for marble tiles just as it is with ceramic tile. Why dont you run the marble the old fashion way mudset level. 3 with one exception all tile backer boards are non structural. This guide will show you how to prepare your subfloor for a tile installation project to ensure that it s fit to support ceramic or porcelain tile.

Subfloor under marble tile 1 the tcna handbook is a guide for installing ceramic tile not stone tiles. Once the polished marble tile is set firmly in thinset there s reason to. Minimum subfloor for marble tile. Subflooring requirements for tile floors.

Cement based thinset mortar bonds the marble to the subfloor permanently and it prevents the marble from separating. Upgrading to 23 32 inch plywood will stiffen the subfloor by almost 80 and provide a more solid feeling floor. Preparing a subfloor is an essential step for installing floor tile it provides a level surface that will allow the tiles to properly stay in place. This way you wont have to install any wonderboard and such you will only need the metal mesh with the black paper backing and run 1 2 height from the highest spot of the floor you can also charge much more for this type of instalation.

Tiles are glued down with a thin set adhesive a mortar based product that now is the standard for ceramic and stone tile products. Regardless of the material it must be at least 1. The subfloor must be structurally sound as well as thick and stable enough to hold the weight of the tile without moving or flexing. Adding a layer of conventional backer board will add to the deflection problems not remove them.

The subflooring should be level to 1 8 inch in 10 feet. 23 floor systems utilize plywood. 2 get deflection specs from stone tile dealer.