Durock is a type of cement board that is water and moisture resistant.
Cement board meets drywall at outside corner.
They make 4 inch alkali resistant mesh tape and this stuff works great.
Where these two meet what is the proper way to finish it so it s a nice corner.
Greenboard is a moisture resistant drywall product designed for use in areas of high humidity and where occasional incidental contact.
In this video i will show you how to prep a corner bead and where cement board and sheet rock meet.
The walls were easier because i had tile wrapping around the corner so i just taped and thinset those and tiled overtop.
Outside corners can be difficult with 2 inch mesh tape.
At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.
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.
If you have outside corners to do then you may decide to just get the 4 inch mesh tape only and use it anywhere you.
Drywall is pressed gypsum which is used in modern walls as the surface material.
How to make the transition from cement board to greenboard.
These areas are pretty simple to prep but there are a few.
Corner bead is most often associated with drywall.
Cement board is much heavier and harder to work with than drywall but it is almost completely waterproof.
The shower ceiling is hardibacker and the wall outside the shower is drywall.
Cement board is also used in the walls of showers and bath surrounds where there s going to be a lot of moisture.