How To Lay Backer Board On Floor

Next place a sheet of the backer board over the wet adhesive.

How to lay backer board on floor. Remember that it is best when joints in the backer board are not aligned with the joints in the subfloor. Use 1 5 8 inch screws for 1 2 inch backer board. Snap a grid to the subfloor using a chalk line to mark your backerboard placement. Do a dry run and lay the backerboard down to fully cover the area you plan to tile.

Spread the mortar to about 3 16 thickness. Add a layer of 1 2 in. If needed cut the backerboard to fit in small spaces or around obstructions. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive.

Use a chalk line to mark the dimension of the backer board sheets onto the floor. With the plywood in place install the backer board as you normally would. There is no need to install backer board on a concrete substrate ceramic tile can be applied right over concrete provided the surface is flat smooth and free of significant cracks. The other is foam backer board which is ok to install over concrete.

Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas. Check with wedi schluter laticrete goboard or whichever manufacturer to see how they want their product installed over a concrete subfloor. Use 1 1 4 inch screws for 1 4 inch backerboard. This can be beneficial if you are wanting to insulate concrete from an electric floor heating system above it.

Using the trowel spread adhesive and ridge it with the notched side of the trowel. Screws every 6 in. Score the board with a utility knife then cut it using a jig saw with a carbide blade. 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. Walk gently on the panels as you begin to screw the backer board into the subfloor using special backer board screws. Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps. Place the first sheet of backer board on the mortar.

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. The plywood adds stiffness and stability to the floor. 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. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.