Run a continuous bead of caulk along the gap and smooth it with a.
Seal between hardibacker floor.
Apply some thinset to the gap.
You need to make sure that the entire gap between the boards is filled up with the thinset.
Mix thin set mortar according to the manufacturer s instructions and apply a thin coat over the fiberglass tape with a drywall knife.
Leave a 1 8 inch gap between each backerboard sheet.
Although most backerboards currently available won t fall apart when exposed to moisture and are somewhat water resistant they aren t waterproof.
Whether you re laying down a new tile floor or installing a shower you may use a sheathing material such as backerboard.
Leave a 1 4 inch gap between the backerboard and the wall.
Run the drywall knife over the mortar to create a smooth finish and remove any excess material.
Thank you once again for your invaluable help.
I plan to run a bead of caulk silicone on the tub deck before putting the metal schluter strip in position.
Push the mortar through the mesh tape and into the 1 8 inch space between the backer board and the drywall.
You will also use it to attach the tile to the backer board.
It is the material that you use underneath the backer board to attach it to the wood subfloor.
Backer board by strip of ditra underlayment mesh tape joining strip of underlayment to backer board thinset kerdiband more thinset leg of shiene tile edging thinset and finally tiles.