Powerful as it is, drywall can stand up to only limited abuse. If the crack is on a vertical or horizontal seam, carefully widen the crack with the corner of a paint scraper, utility knife or chisel to determine if the crack extends fully through the paper that’s masking the seam (image 2); and if the tape has pulled unfastened from the wall surface.
Lastly, use a sanding sponge to sand the patch and surrounding area clean. For small holes, like these created by a doorknob, a patch package may be used. Knife to unfold it. Spread a thin coat of joint compound over the area. Even the best painter in Quebec couldn’t cover a poorly executed job by an inexperienced drywall technician.
Scrape away any unfastened compound, and use a razor knife or drywall saw to develop the crack via the wall surface into the stud cavity (image three). Avoid eradicating solid, properly-adhered compound past the crack itself. The drywall and plaster pro from Beau-frÃ¨re Ã louer Inc.
For holes up to 6 inches, use the California Patch. Be sure that the patch is firmly in place, and then easy out any bubbles within the fiberglass tape. Cut along …Read More