Cement board is much heavier and harder to work with than drywall but it is almost completely waterproof.
Cement board to drywall transition.
The lower part will be properly done with cement board and waterproof coating.
Drywall is pressed gypsum which is used in modern walls as the surface material.
Fortunately the drywall was only damaged and crumbling near the bottom.
But my main concern is how difficult would it be during the taping compounding phase to transition from regular drywall to cement board.
Hopefully thinset at the top where the new cement board meets the old drywall will keep water from sneaking between the two.
All the insider information on how to build and waterproof a.
Greenboard is a moisture resistant drywall product designed for use in areas of high humidity and where occasional incidental contact.
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.
I m only hanging the board but will be hiring a professional to do the taping finishing.
And will need to transition from existing drywall to.
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.
Cement board is also used in the walls of showers and bath surrounds where there s going to be a lot of moisture.
At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.