Are you saying just use the metal paper corner bead install with drywall mud even on the cement board.
Cement board drywall outside corner.
I will just end up painting it.
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.
Cover and mortar the seams with fiberglass seam tape.
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.
Keep the cement backer boards about 1 4 inch apart.
Corner bead is most often associated with drywall.
At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.
Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides.
It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common.
After pressing the boards into the mortar screw them in with screws made especially for cement backer board installation.
I need to finish the outside corner above the shower alcove.
Where these two meet what is the proper way to finish it so it s a nice corner.
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.
Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage.
Just as you would with drywall make sure the screwheads are slightly depressed below the cement backer board surface.