How to Install HardieBacker Cement Board on Walls
https://www.jameshardiepros.com/blog/how-to-install-hardiebacker-cement-board-on-walls
WEBJan 31, 2020 · Start installing your boards a quarter inch above the floor, tub, or shower board and caulk accordingly. 2. Fasten cement board with specified nails or screws, a maximum of 8” on center at all supports. 3. Keep fasteners ⅜” from board edges and 2” in from sheet corners. 4. Set fastener heads flush with the surface without overdriving. 5.
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