How To Lay Backer Board On Floor

Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive.

How to lay backer board on floor.

Next place a sheet of the backer board over the wet adhesive. Spread the mortar to about 3 16 thickness. Snap a grid to the subfloor using a chalk line to mark your backerboard placement. Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.

All the insider information on how to build and waterproof a. Do a dry run and lay the backerboard down to fully cover the area you plan to tile. With the plywood in place install the backer board as you normally would. Walk gently on the panels as you begin to screw the backer board into the subfloor using special backer board screws.

Use a chalk line to mark the dimension of the backer board sheets onto the floor. Add a layer of 1 2 in. Bc plywood over the old subfloor using construction adhesive and driving 1 1 4 in. Using the trowel spread adhesive and ridge it with the notched side of the trowel.

The plywood adds stiffness and stability to the floor. For highly wet areas such as showers and bathtub surrounds cement board typically is attached directly over the wall studs and the studs may be covered with an intervening moisture membrane. Add more mortar as necessary to fill sunken areas in. 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.

If needed cut the backerboard to fit in small spaces or around obstructions. Use 1 5 8 inch screws for 1 2 inch backer board. The other is foam backer board which is ok to install over concrete. 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.

Score the board with a utility knife then cut it using a jig saw with a carbide blade. Use 1 1 4 inch screws for 1 4 inch backerboard. Screws every 6 in. This can be beneficial if you are wanting to insulate concrete from an electric floor heating system above it.

Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. Lay the backer board according to the manufacturer s instructions. Check with wedi schluter laticrete goboard or whichever manufacturer to see how they want their product installed over a concrete subfloor. Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps.