How To Lay Backer Board On Floor

Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.

How to lay backer board on floor.

Add a layer of 1 2 in. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive. Use 1 5 8 inch screws for 1 2 inch backer board. 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.

Using the trowel spread adhesive and ridge it with the notched side of the trowel. Score the board with a utility knife then cut it using a jig saw with a carbide blade. 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 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.

Lay the backer board according to the manufacturer s instructions. Bc plywood over the old subfloor using construction adhesive and driving 1 1 4 in. With the plywood in place install the backer board as you normally would. Place the first sheet of backer board on the mortar.

This can be beneficial if you are wanting to insulate concrete from an electric floor heating system above it. Next place a sheet of the backer board over the wet adhesive. Walk gently on the panels as you begin to screw the backer board into the subfloor using special backer board screws. Use 1 1 4 inch screws for 1 4 inch backerboard.

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. Use a chalk line to mark the dimension of the backer board sheets onto the floor. Snap a grid to the subfloor using a chalk line to mark your backerboard placement. All the insider information on how to build and waterproof a.

The other is foam backer board which is ok to install over concrete. Screws every 6 in. Remember that it is best when joints in the backer board are not aligned with the joints in the subfloor. The plywood adds stiffness and stability to the floor.

Add more mortar as necessary to fill sunken areas in. Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas. Spread the mortar to about 3 16 thickness. Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps.