How Thick Of Concrete Backer Board For Tile Floors

Half inch cement backer board is ideal for most tiling jobs including walls floors countertops and ceilings.

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. I d like to get as close as possible to matching the height of the existing tile. For flooring the backer board should be installed over a 5 8 inch thick osb or plywood base. 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.

While you can use all thicknesses of cement board on countertops and floors the minimum thickness for tiling walls is. On top of the 2 6 will be 3 4 subfloor thinset cement board redgard thinset tile. Cement fiber or similarly reinforced backer board comes in standard 1 4 inch and 1 2 inch thicknesses. It s typically available in 1 2 in.

Cement boards generally come in 1 4 inch 1 2 inch and 5 8 inch thicknesses. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. If you re installing backer board over an existing subfloor 1 4 inch is sufficient.