How Thick Of Concrete Backer Board For Tile Floors

When installing a ceramic tile floor on a concrete subfloor you don t have to worry about flexing as long as the concrete slab is at least 1 1 8 inch thick which most slabs are.

How thick of concrete backer board for tile floors.

Cement board cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas. If i thinset the cement board down using a 1 4 x 1 4 trowel and screw it every 8 will the thinset end up being 1 8 thick. For flooring the backer board should be installed over a 5 8 inch thick osb or plywood base. Half inch cement backer board is ideal for most tiling jobs including walls floors countertops and ceilings.

If the subfloor doesn t have enough stability you can usually but not always remedy the situation by installing cement backer board also called cementboard. Cement fiber or similarly reinforced backer board comes in standard 1 4 inch and 1 2 inch thicknesses. On top of the 2 6 will be 3 4 subfloor thinset cement board redgard thinset tile. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.

Thick 3 x 5 ft. While you can use all thicknesses of cement board on countertops and floors the minimum thickness for tiling walls is. I d like to get as close as possible to matching the height of the existing tile.