Cement Board Drywall Outside Corner

Just as you would with drywall make sure the screwheads are slightly depressed below the cement backer board surface.

Cement board drywall outside corner.

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. 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. Cover and mortar the seams with fiberglass seam tape. Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage.

Are you saying just use the metal paper corner bead install with drywall mud even on the cement board. The shower ceiling is hardibacker and the wall outside the shower is drywall. Keep the cement backer boards about 1 4 inch apart. Durock is a type of cement board that is water and moisture resistant.

This video transition between cement board and drywall joint or how to tap drywall and cement board joint or tapping cement board and sheetrock shows the tra. The cement board is on the wet area the drywall is on the dry area forming an outside corner. Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides. I will just end up painting it.

Where these two meet what is the proper way to finish it so it s a nice corner. After pressing the boards into the mortar screw them in with screws made especially for cement backer board installation. Then just tile over the mud with thinset tile. I need to finish the outside corner above the shower alcove.