After cutting a.
Patching wall mount holes.
Start by cutting the ragged hole into a neat square or rectangle.
Fixing a large hole in a lath and plaster wall 1.
Get your supplies together before you begin.
Insert the patch into the hole and smooth the overhanging paper margin onto the patching compound which.
Coarse grade screws for wood.
Slip one of the 1x3s into the wall cavity and screw it to the edge of the cutout.
Then attach the second 1x3 to the opposite side of the cutout.
Be sure it overlaps into the hole by 1.
Measure the hole then cut a scrap piece of drywall that is slightly larger than the hole s diameter.
Gather and purchase your materials.
You will need to remove all of the damaged area while making sure to not expand the damage.
Patch a big hole in 9 steps.
Repairing holes in the walls is the first step in pre.
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.
For holes that don t extend to studs on either side you will need to reinforce the hole.