Showers do not have basic drywall around them. They use a special kind of drywall. In fact, a lot of the wall area in a bathroom is covered with what is called greenboard drywall. This type of drywall panel is water resistant and mildew resistant, compared to the more basic type. The installation process is similar, and the board is not difficult to install around objects like shower units.
- Skill level:
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Things you need
- Measuring tape
- Utility knife
- Galvanised screws
- Drywall compound
- Taping knives
- Drywall tape
- Silicone caulk
Measure a section of the wall where you are installing the greenboard drywall above the shower unit. Transfer the dimensions to the panel and mark the measurements.
Score the drywall with a utility knife along the dimensional lines.
Place the panel on a flat surface such as a table and let the unneeded portion hang off the table. Put the score line directly on the edge of the table. Press downward to snap the panel. Repeat with the other sides of the panel until you have a piece that fits the space that you measured.
Place the greenboard drywall up against the wall above the shower. Drill galvanised 1 1/2-inch screws through the panel and into the stud frame. Place the screws every 7 inches. Repeat the process with additional pieces of drywall to cover the area around the shower unit. You should have greenboard above and along the sides of the shower unit.
Cover the seams and screw heads of the drywall with drywall compound. Apply it with a small taping knife.
Place drywall tape over the compound covered seams before it dries. This includes the seams between the wall and ceiling.
Spread a second layer of compound over the tape. Let the compound dry overnight.
Sand the bumps and rough spots off the compound, and then dust off the wall.
Spread new layer of compound over sanded surfaces using a taping knife at least 6 inches wide. Taper the edges of the surface until it is down the greenboard. Let the walls dry overnight.
Paint the walls as you would like, using a primer first to cover up the green colour of the drywall panels. Use even brush strokes in an up and down manner. Let the paint dry.
Squeeze a tube of silicone caulk along the edges where the drywall meets the shower unit. Form a bead down the seams, and then smooth it flat with your finger.
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