Cement Board Meets Drywall At Outside Corner

They make 4 inch alkali resistant mesh tape and this stuff works great.

Cement board meets drywall at outside corner.

At some point along the wall the cement backer board will meet with the drywall used in the rest of the room. The shower ceiling is hardibacker and the wall outside the shower is drywall. How to make the transition from cement board to greenboard. Cement board is also used in the walls of showers and bath surrounds where there s going to be a lot of moisture.

Outside corners can be difficult with 2 inch mesh tape. Cement board is much heavier and harder to work with than drywall but it is almost completely waterproof. The walls were easier because i had tile wrapping around the corner so i just taped and thinset those and tiled overtop. Drywall is pressed gypsum which is used in modern walls as the surface material.

Corner bead is most often associated with drywall. In this video i will show you how to prep a corner bead and where cement board and sheet rock meet. Greenboard is a moisture resistant drywall product designed for use in areas of high humidity and where occasional incidental contact. 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. Durock is a type of cement board that is water and moisture resistant. 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. 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.