Cement Board Drywall Outside Corner

Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides.

Cement board drywall outside corner.

Keep the cement backer boards about 1 4 inch apart. 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. After pressing the boards into the mortar screw them in with screws made especially for cement backer board installation. Are you saying just use the metal paper corner bead install with drywall mud even on the cement board.

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. Then just tile over the mud with thinset tile. I need to finish the outside corner above the shower alcove. Durock is a type of cement board that is water and moisture resistant.

Where these two meet what is the proper way to finish it so it s a nice corner. The cement board is on the wet area the drywall is on the dry area forming an outside corner. Just as you would with drywall make sure the screwheads are slightly depressed below the cement backer board surface. The shower ceiling is hardibacker and the wall outside the shower is drywall.

Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage. Corner bead is most often associated with drywall. Cover and mortar the seams with fiberglass seam tape. At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.