Cement Board To Drywall Ceiling

The cement board can be extended past the tile and taped and finished similar to drywall.

Cement board to drywall ceiling.

Drywall joint compounds must not be used directly over cement board unless it is properly sealed. Prevents the spread and speed of fire. How to make the transition from cement board to greenboard. Furring strips allow an air gap between the drywall and concrete to allow air to move and prevent mold.

Do not use drywall screws or drywall nails as they do not pro vide ade quate holding capacity. Fire resistant drywall boards are crafted with glass fibers in an extra thick design that makes them ideal for use in utility rooms garages and areas near a furnace or wood stove. When installing drywall onto any concrete surface including a ceiling you need to install furring strips. At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.

Just as you would with drywall make sure the screwheads are slightly depressed below the cement backer board surface. I use setting type drywall compound on that as it resists water better. Cement board is also used in the walls of showers and bath surrounds where there s going to be a lot of moisture. Greenboard is a moisture resistant drywall product designed for use in areas of high humidity and where occasional incidental contact.

Complete the job by piecing in any missing drywall and taping the seams. Cover and mortar the seams with fiberglass seam tape. Furring strips are long strips of wood that measure 1 inch thick and usually 2 or 3 inches wide. In high moisture shower areas such as shower enclosures use cement backer board.

Not recommended for vinyl flooring. 8 mm 5 16 thickness should not be used for walls or ceilings. Cut drywall to fill in between the existing wall or ceiling and the cement board. All the insider information on how to build and waterproof a.

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 much heavier and harder to work with than drywall but it is almost completely waterproof. Keep the cement backer boards about 1 4 inch apart. Keep in mind that large format tile requires a straight plumb and planar wall to avoid lippage.

Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps. Screw the drywall to the studs.