Cement Board Flooring Thickness
I plan on thinsetting and screwing cement board to the subfloor then redgard then thin set and tile.
Cement board flooring thickness. Would this calculation get me to the right height compressed thin set on top of sub floor 1 8 cement board 1 2 compressed thin set on top of cement board 1 8. For ceramic tile floors the cement board usually rests on a plywood subfloor minimum 5 8 inch thick exterior grade plywood or osb if new ceramic tile is being laid on an existing floor the cement board can usually be laid right over the existing floor finish provided it is in good shape and the extra floor thickness is not a problem. Drywall screws spaced every 6 in. While using 1 4 thick rather than 1 2 thick cement backer board is acceptable how you install the backer board and attach it to the plywood subfloor is as important as how you lay the tile on top of it.
This is a distinct advantage over plywood and drywall. Board is readily applied over wood or steel framing spaced 16 in. As long as the subfloor is 3 4 in. Works under interior floors to provide a solid foundation for tile vinyl wood and other flooring.
Cement board will also work as a countertop backerboard and underlayment for tile granite and other stone surfaces. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile. While you can use all thicknesses of cement board on countertops and floors the minimum. Cement boards that some in sheets.
Cement fiber or similarly reinforced backer board comes in standard 1 4 inch and 1 2 inch thicknesses. Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in. Also an ideal underlayment for tile on floors and countertops in new construction and remodeling. That ll keep the floor thickness to a minimum.
Thick cement board instead of the usual 1 2 in. Cement board is a cement backerboard designed for use with floors and countertops. I need to match the height of the existing tile in the bathroom. The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet.
Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile. On center with corrosion resistant wood steel screws or hot dipped galvanized. Cement boards generally come in 1 4 inch 1 2 inch and 5 8 inch thicknesses. Usg durock brand cement board with edgeguard offers architects builders and tile contractors a strong water durable tile base for tub and shower areas.