You will need something solid to attach the new drywall patch to so extend the furring strip well past the margins of the missing drywall.
How to patch a bathroom wall.
Use your damaged bathroom wall panels as a guide and cut out a rectangle or square shaped patch that covers the entire area of damage.
Dry the wall surface with a fan heater then tape some kitchen foil tightly over the affected area.
Locate the next closest stud that is not in the damaged area.
Attach at least one furring strip 1 by 3 inch piece of wood to the back of the existing drywall with 1 5 8 inch drywall screws unless the drywall you ve removed has exposed at least two wall studs.
When you run into a stud mark and measure a 3 4.
If you re patching tiny nail holes.
Cut out the area you traced using a utility knife or drywall knife.
Hold the patch in place and use chalk or a pencil to trace the area of the rectangle or square.
Decide whether you want to repaint the whole wall or just touch up patched areas.
The edge of the patch should be directly over the stud so both the existing drywall and patch have support.
How to fix a water damaged plaster wall beside the bathtub 1.
Consider these points and plan your purchases accordingly.
If you re patching a large number of holes and other damage prime the patched walls before repainting especially.
Cut along the lines carefully making several passes with each cut.
Use a saw blade or utility knife to cut along the lines you just drew.
If the surface of the foil is wet after 24 hours you have condensation.