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View Full Version : Subfloor?underlayment for tile floor


king2756
Nov 13, 2006, 11:23 AM
I'm remodeling a bathroom and have replaced some rotten subflooring (1 x 12 planks). Now I want to install a tile floor. Should I affix cementboard directly to my subfloor or do I need a layer of plywood? Should I use mortar to attach the cementboard to the subfloor/plywood? Thanks!

skiberger
Nov 13, 2006, 11:48 AM
Install 1/2 cement board and use the thinset and trowel that you will use to adhere the tile with. Attach with the appropriate cement board screws.