Cement Board Drywall Outside Corner

Cover and mortar the seams with fiberglass seam tape.

Cement board drywall outside corner.

Just as you would with drywall make sure the screwheads are slightly depressed below the cement backer board surface. The cement board is on the wet area the drywall is on the dry area forming an outside corner. Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage. The shower ceiling is hardibacker and the wall outside the shower is drywall.

Where these two meet what is the proper way to finish it so it s a nice corner. Keep the cement backer boards about 1 4 inch apart. Durock is a type of cement board that is water and moisture resistant. I will just end up painting it.

Then just tile over the mud with thinset tile. It is a long strip of corner piece made out of aluminum paper or vinyl and is installed over a drywall corner giving the drywall a finished and professionally done look. It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common. I need to finish the outside corner above the shower alcove.

Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides. This joint needs to be flush and smooth in order for the tile or other wall covering to be installed correctly and to create a professional finished appearance. At some point along the wall the cement backer board will meet with the drywall used in the rest of the room. Corner bead is most often associated with drywall.