You will need to remove all of the damaged area while making sure to not expand the damage.
Patching wall mount holes.
Be sure it overlaps into the hole by 1.
Repairing holes in the walls is the first step in pre.
Slip one of the 1x3s into the wall cavity and screw it to the edge of the cutout.
Measure the hole then cut a scrap piece of drywall that is slightly larger than the hole s diameter.
Start by cutting the ragged hole into a neat square or rectangle.
Bob shows how to fix holes in walls caused by fasteners such as toggle bolts molly bolts and anchors.
Get your supplies together before you begin.
Smooth a thin layer of drywall patching compound around the exterior of the large hole.
Place drywall piece over the damaged area image 1 and trace around it with a pencil image 2.
Gather and purchase your materials.
Fixing a large hole in a lath and plaster wall 1.
After cutting a.
It s fine to fill screw holes and other small wall dings with patching compound but for dime size and larger drywall repairs and for holes that are deep it s best to use a joint compound that sets up by a chemical reaction these are available in powder form with setting times ranging from five to 90 minutes.
Patch a big hole in 9 steps.
Then attach the second 1x3 to the opposite side of the cutout.