Installing Subfloor In Bathroom For Tile

According to backer board manufacturers and tile setters installing backer board directly over an old solid wood subfloor is risky for a couple of reasons.

Installing subfloor in bathroom for tile.

Concrete subfloors are prepared differently than wood subfloors. Need to install a subfloor. As a homeowner measuring defection is not an easy task. The coach demonstrates how to install a 3 8 plywood subfloor in a bathroom.

The old fashioned mud method of floating a thick mortar bed in preparation for the tile has given way to using cement backer board over a plywood subfloor. The experts show how to install the subfloor in a bathroom. This video covers measuring cutting and the correct tricks for installing to ensure a good bond and long lasting results that never squeak. 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.

Cost skill level start to finish 1 day. First changes in humidity make solid wood shrink swell and cup more than plywood. The subfloor beneath the vinyl must deflect less than the industry standard. 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.

Preparation for installing floor tile depends on the type of subfloor in the room you are tiling. Cement board is inexpensive 10 or less for a 1 2 thick 3 x 5 sheet easy to install and sufficient for most installations. Preparing your subfloor for tile in this video learn how to prepare a wood or concrete subfloor for tile including such steps as checking for dips installing backerboard applying primer and thinset pouring liquid underlayment and when to use osb or exterior grade plywood. T square drill pencil circular saw.

The best method is to refasten the subfloor then add a layer of plywood.