A: I have and will do it again as long as the joint will be covered with tile. I usually do this on the last tile(s) of shower walls where tile meets drywall. I plan that joint to be just a few inches inside the tile area so it is hidden.
A: This QEP Cement Board Tape Roll now has improved extra strength tackiness. Can be used for seaming most types of cement backer board. leaves a smooth surface for spreading mortar, thinset or mastic.
A: I would use Thin Set, it is in the Ceramic Tile Department. Mix it up as per directions, then apply it with a 3-inch Putty Knife and Apply the web tape over the seams then apply a thin coat of Thin Set over the Web Tape
A: Yes fill the Seams first, then apply the Web tape and then apply a coat of Thin Set over the Web Tape
A: Yes, it is best to put down a layer of mud that fills the seam and lightly coats the surrounding area before applying the tape into the wet mud.
A: Thank you for your inquiry. Here are some key product usage points regarding the Dry Wall Joint tape product that may improve performance and satisfaction. Wipe the area where the tape will be applied, allow area to dry, ensure the tape is positioned over the well "butted" seams of the board, firmly apply the tape. Do not stretch the tape. Do not bridge the tape over excessive gapping between boards
A: A piece of backer board that is 3 ft by 5 ft would be 15 sq feet. I hope that answers your question. 3X5=15
A: 3-ft x 5-ft = 15 sq feet