Cement board can be easily cut with a circular saw.
How to fix a bathroom wall hole.
Cover the hole or dent with fast drying spackle to bring the spackle level with the drywall surface and let it dry 24 hours or the time recommended by the manufacturer s instructions.
You want to fill the hole entirely and get the patch level to the shower or tub wall.
Use a razor knife to cut down the center of the stud.
Repeat with a second coat.
Make sure your cuts are parallel to each other.
Scrape away loose debris from the hole.
Cut a piece of cement board to fit the wall cutout allowing for a 1 4 inch gap between the cement board and surrounding drywall.
Using a putty knife you are going to apply the resin to the hole.
This will allow you to attach a new piece of sheetrock to the studs.
Let the compound dry overnight and then sand until smooth.
Apply drywall mud to the seams and screw holes then apply drywall tape over the mud.
Place drywall piece over the damaged area image 1 and trace around it with a pencil image 2.
Run strips of self adhesive fiberglass drywall tape around the patch centering the tape on the seams.
Fasten the cement board to the studs with cement board screws.
Use a drywall or reciprocating saw to cut out the area within the traced lines image 3.
It s important to use as much ceramic tile filler as the hole will allow.
Cut two pieces of 2x4 slightly larger than the hole.
Step 4 apply a coat of joint compound to the edges using a 6 inch drywall knife.
Measure the hole then cut a scrap piece of drywall that is slightly larger than the hole s diameter.
Screw it into the studs or furring strips with the drywall screws.
To fix a large hole you will need to cut out a piece of the wall all the way to the center of each stud on either side of the hole.
For an even stronger faster way to repair a hole in the wall add a little baking soda to a drop of super glue to form a super strength sealant.
Smooth out the tape and mud with a drywall knife squeezing the excess out from under the tape.
Cut a piece of greenboard drywall to fit the hole.
Use a 6 inch drywall taping knife to spread drywall joint compound across the patch and tape to create a smooth flat surface.