Cement Board Under Tub Floor

Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds.

Cement board under tub floor. It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common. It is very important to first spread thin set on the floor before placing the cement board to the floor. The 1 mistake most people make when installing cement board. I plan on thinsetting and screwing cement board to the subfloor then redgard then thin set and tile.

Cement boards that some in sheets. 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. Setting tubs in mortar is a method used by professional plumbers who specialize in quality home construction. A variety of different types can be used as long as it hardens to provide a base.

Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in. Installing a cement backerboard is crucial when you want a waterproof tile floor that lasts for years without cracking. As long as the subfloor is 3 4 in. Before we go any farther on how to install cement board i am going to talk about a very common mistake most people make.

The mortar provides a stable base for the tub to rest on when the tub is full so the casing of the tub doesn t have to support all of the weight and crack. Vinyl flooring glued over 1 4 in. Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides. Thick cement board instead of the usual 1 2 in.

I need to match the height of the existing tile in the bathroom. Drywall screws spaced every 6 in. Get free shipping on qualified cement board products or buy online pick up in store today.