Cement Board On Wood Floors
In fact this is already assuming that your wood subfloor meets the minimum requirements.
Cement board on wood floors. Cement board with edgeguard model 172954 view the tile backerboard collection 10 97 10 97. To install cement board on floors cement board manufacturers mandate a 5 8 inch plywood subfloor or osb underlayment. Precut and fit all the cement board and then lift all of the cement boards out. Thick 3 x 5 ft.
For ceramic tile floors the cement board usually rests on a plywood subfloor minimum 5 8 inch thick exterior grade plywood or osb if new ceramic tile is being laid on an existing floor the cement board can usually be laid right over the existing floor finish provided it is in good shape and the extra floor thickness is not a problem. Usg durock brand 1 2 in. They also require a 3 4 inch subfloor where tile size exceeds 12 inches. This means that tile applied to cement backer board resists cracking and popping loose better than tile applied to a plywood subfloor alone.
Then spread thinset mortar with the flat side of a 1 4 in. Cement board should never be counted on to stiffen up your floor. Embed the cement board and screw it to the underlayment with special 1 1 4 in. Now there are more ways to screw things up than just these five things.
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. Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage. Manufacturers also recommend bonding cement board to floors with a 1 4 inch polymer modified thinset coating. Buy 30 or more 9 87.
Set your store to see local availability add to cart. It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. Leave a 1 4 gap between the backer board and walls and 1 16 gap between the sheets of backer board.
Cement board screws spaced every 4 in. Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas. Messing up cement board installation is not just limited to these 5 ways. Notched trowel and use the notched edge to comb the mortar.
Cement board can be nailed or screwed to wood or steel studs to create a substrate for vertical tile and attached horizontally to plywood for tile floors kitchen counters and backsplashes. Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides. It can be used on the exterior of buildings as a.