How To Installing Backerboard On Uneven Floor

So 1 2 inch plywood under the shower and ramp then install kerdi to its instructions.

How to installing backerboard on uneven floor.

How to install a cement backer board over a plywood subfloor in the bathroom. But this kerdi stuff is different. Installing a tile floor requires medium level diy skills but with a bit of patience diyers can add this durable yet beautiful flooring. Before installing a tile floor a subfloor and underlayment is necessary.

Installing a cement backerboard is crucial when you want a waterproof tile floor that lasts for years without cracking. Cement backer board is more dimensionally stable than plywood and forms a better bond with the thin set adhesive used to glue the tile down. These convenient panels of cementitious board provide an instant flat hard surface that bonds with the thin set adhesives or mortars used to install tile. 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 to repair uneven cement boards. Upstairs bathroom floor i put 1 2 inch backerboard on the tongue and groove plank subfloor and then tiled and it has been wonderful for 15 years so far. 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. This means that tile applied to cement backer board resists cracking and popping loose better than tile applied to a plywood subfloor alone.

The various brands of cement board such as hardiebacker durock denshield and wonderboard have become a standard tile backer material for nearly all ceramic porcelain and stone tiles for floor wall and countertop applications. Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides. It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common. Because it is waterproof and resists movement cement board is the preferred backing material for ceramic tiles.

How to install a tile floor.