How Thick Of Concrete Backer Board For Tile Floors

I d like to get as close as possible to matching the height of the existing tile.

How thick of concrete backer board for tile floors.

Thick 3 x 5 ft. 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. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. On top of the 2 6 will be 3 4 subfloor thinset cement board redgard thinset tile.

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. Cement board cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas. If you re installing backer board over an existing subfloor 1 4 inch is sufficient. It s typically available in 1 2 in.

Cement boards generally come in 1 4 inch 1 2 inch and 5 8 inch thicknesses. While you can use all thicknesses of cement board on countertops and floors the minimum thickness for tiling walls is. For flooring the backer board should be installed over a 5 8 inch thick osb or plywood base.