Marble Tile Subfloor Requirements

2 get deflection specs from stone tile dealer.

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. Cement based thinset mortar bonds the marble to the subfloor permanently and it prevents the marble from separating. Once the polished marble tile is set firmly in thinset there s reason to. To meet tca stiffness requirements floor framing should be no more than 16 inches on center with minimum 19 32 inch plywood subflooring.

One osb eight require two layer all plywood i e subfloor underlayment six allow supporting members to be spaced at 24 oc. Why dont you run the marble the old fashion way mudset level. 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. Tiles are glued down with a thin set adhesive a mortar based product that now is the standard for ceramic and stone tile products.

3 with one exception all tile backer boards are non structural. 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. Adding a layer of conventional backer board will add to the deflection problems not remove them. Regardless of the material it must be at least 1.

Subflooring requirements for tile floors. Specific subfloor underlayment requirements maximum tile size other details as required amongst tcna listed assemblies. The subflooring should be level to 1 8 inch in 10 feet. 23 floor systems utilize plywood.

Upgrading to 23 32 inch plywood will stiffen the subfloor by almost 80 and provide a more solid feeling floor. 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. 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.