. . packed with a good modified thinset, and alk. Backer board is a type of tile underlayment that provides a strong, stable substrate for tile, which is necessary for a successful tile installation. #schluterkerdiboard #schlutershowersystems #schlutersystemsThe KERDI-BOARD waterproof building panel combines substrate and waterproofing installation into o. . The walls are insulated with Roxul rockwool. Subscribe. . Apply thin-set adhesive over the fiberglass tape, and allow it to dry. Then a coat of thinset gets flat troweled over the seam. Make su. . If replacing the tub isn’t possible a combination of materials is a good option. Caulk the gap. The set up: Old bathtub has been removed along with the drywall in the area around the tub. The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area. This requires shimming the backer board out from the studs so the wall is plumb. Gap it 1/8" then caulk that gap with a suitable caulk, not 100% silicone. Step 1: Measure the Board. . . Most of the time, the walls don't get shimmed. flange. The set up: Old bathtub has been removed along with the drywall in the area around the tub. The wedi Tub Surround Kit allows your tub or shower walls to be installed, waterproofed and prepared ready to tile in less than 2 hours. . This is TCNA assembly B412-19. It should overlap the tub flange so the tile has a stable backing to attach to. Cover the entire floor with a backer board. . . The red guard might help. and 3/4 in. 1. Does Backer Board Go Over Shower Pan Flange? The answer is no. Cementitious backerboard will wick moisture, so I'd suggest leaving about 1/4" from the tub surface to the bottom edge of the backer. Remove the Old Shower Tile and Green board/Drywall. Tape any seams and corners with fiberglass tape. Use KERDI-FIX to adhere an 1/8" fold of the KERDI to the tub deck. The boards measure 3'x5' and are $12 each; I'm using 4 pieces. . But, note that the backer board now warps a bit, so that the bottom row of tile will need to be cut at the corners (think gentle trapazoids) to fit properly. Design Apartments; Design Styles; Room. Ceramic Tile Advice Forums - John Bridge Ceramic Tile > Tile & Stone Forums > Tile Forum/Advice Board:. . . 3. Save. This causes the proposed cement board and the existing drywall to not match, as shown in figure 1 below. It looks like you needed some blocking behind the green board (where the rear curve comes in) to be able to fill in. Apply it to the wall with the bottom edge about 1/4 in. Use a gypsum-based product like DensShield tile backer from Georgia-Pacific that comes with a presealed surface that allows the face to drain. The backerboard that was installed on my tub walls stops at the 1" tub flange. My 50-year tub has a flange that is hard against the studs in some places, and 1/4 or more away in spots, as show in the photo. Let dry for 1. Space pieces 1/8-in. . flange. 1) As I was cutting/fastening Durock to the studs, I quickly realized that the backerboard. . Then apply a generous amount of thin-set to the bottom bathtub tile and position it 1/8 in. As long as your tile is supported a minimum of 50% on the cbu. . Once the backer rod is in place,. But I have to deal with it. For example, you would apply a bead of sealant to the top of the tub flange- then install GoBoard over it. com Home Buy. above the lip of the tub. Place painter’s tape to protect the tub deck. I recently installed 1/2 hardibacker board for a tub surround remodel. Bathroom; Bedroom; Kitchen; Living Room. .