This video is part of the Tile Shower Walls (4ร16 with Niche) Course. Reasons for bonding marble mosaics to backer board (0:01) How to apply thin-set mortar inside the niche using 1/4โณ x 1/4โณ square-notched trowel (1:33) How to back flat trowel mosaic/backer board (2:45) How to bond the mosaic inside the shower niche (3:05) […]
