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Answer by Ed Beal for Do I need mortar between 1x6 deck boards and cement board?
Your addition of cement backer is a good idea, I usually do put down with thinset and screws. If you use a membrane it should be fine even with travtrine , I would make sure their is no standing water...
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Answer by M.Mat for Do I need mortar between 1x6 deck boards and cement board?
A membrane won’t be adequate. If you want ‘waterproof,’ think shower pan. Not literally but by making this area semi-vitreous, there must be a drain or drains and a slope. If you’re trying to avoid the...
View ArticleDo I need mortar between 1x6 deck boards and cement board?
I have a screened and roofed porch/lanai. Original floor is pressure treated posts, beams, joists and 1x6 decking. Former owner decided they wanted tile. They screwed a plywood underpayment over the...
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