Cement Board Drywall Joint

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Cement board drywall joint.

Joint compound is used to help provide a seal between the durock panels and to fill the depressions left by either nails or screws during installation. Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. We utilized the same thin set that will be used to attach the tiles. Durock cement boards are a type of drywall reinforced with cement for a harder surface.

Gray cement board tape 2 in. Roll alkali resistant self adhesive. Drywall is pressed gypsum which is used in modern walls as the surface material. Having the cement board alkali resistant screws joint tape and mortar will get you one step closer to installing the tub surround the right way.

Instead of using drywall joint compound to embed the tape in the cement board you should use thin set mortar. Cement board is much heavier and harder to work with than drywall but it is almost completely waterproof. Cement board is also used in the walls of showers and bath surrounds where there s going to be a lot of moisture. Extra large grouting cleaning and washing sponge 3 pack x 15 16 oz.

At some point along the wall the cement backer board will meet with the drywall used in the rest of the room. Cement board drywall joint tape qep 7 1 2 in.