Cement Board Under Tile

Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage.

Cement board under tile.

Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water. Notched trowel and use the notched edge to comb the mortar. Durock brand cement board with edgeguard offers architects builders and tile contractors a strong water durable tile backerboard for floors walls countertops tub shower areas and exterior finish systems. Set your store to see local availability add to cart.

Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. Usg durock brand 1 2 in. The standard size sheet is 3 x 5 ft. Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile.

Cement board with edgeguard model 172954 view the tile backerboard collection 10 97 10 97. The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. Precut and fit all the cement board and then lift all of the cement boards out. Embed the cement board and screw it to the underlayment with special 1 1 4 in.

Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. That s why it was named the most preferred brand of backer board by tile installers and contractors according to the 2019 tile and stone report conducted by clearseas research in partnership with the national tile contractors association and tile magazine. Cement board screws spaced every 4 in. On top of the 2 6 will be 3 4 subfloor thinset cement board redgard thinset tile.

This is a distinct advantage over plywood and drywall. Durock brand cement board with edgeguard offers enhanced proprietary edge performance preventing spinout and crumbling. Cement board technically called cementitious backer unit cbu is manufactured under different brand names. If i thinset the cement board down using a 1 4 x 1 4 trowel and screw it every 8 will the thinset end up being 1 8 thick.

Thick weighs 45 to 60 lbs. Then spread thinset mortar with the flat side of a 1 4 in. This is the industry standard most preferred by construction pros when installing ceramic or porcelain tile backer board comes in four foot by eight foot and three foot by five. And is available at most full service lumberyards and building supply centers.

Buy 30 or more 9 87. Thick cement board spans studs spaced 16 in.