How To Patch Drywall

By SF Gate Contributor Updated October 18, 2021

Lath-and-plaster was the bank accoutrement of best afore drywall became popular, so if your abode predates World War II, it apparently has adhesive walls. It’s sometimes easier to adjustment damaged adhesive walls with drywall than it is to try to re-plaster them, though, because applying adhesive has become article of a absent art. Even admitting adhesive walls aren’t affected to board drywall, you can usually spiral drywall to the board axle that supports the plaster. Finishing the edges of the adjustment with band and collective admixture makes the outlines of the application disappear.

Measure the array of the adhesive accoutrement by dabbling the brand of a account knife through the adhesive until it contacts the lath. The blanket on best walls is 3/8 inches thick, but it could be 1/2 inch or more. Purchase a breadth of drywall that has the array you measure.

Draw the asperous outline of a ellipsoidal breadth on the bank that absolutely encloses the damaged breadth that needs repair, application a pencil. Admeasurement the breadth and amplitude of this breadth with a band measure.

Transfer the abstracts to the breadth of drywall and cut out a rectangle, application a account knife. The best able way to cut drywall is to account the advanced of the breadth with the knife. Run it forth a drywall T aboveboard or straightedge, breeze the breadth forth the cut band and cut the abetment to abstracted the pieces.

Hold the rectangle adjoin the bank to awning the adjustment breadth and draw its exact outline with a aciculate pencil. Remove the drywall. Put on a dust mask, advises Improvenet. Cut all the way through the adhesive forth the pencil curve with a knife. Keep a exhaustion accessible for dust removal.

Chip the adhesive from central the rectangle with a painter’s three-in-one apparatus or use a annealed adjustable knife. Collect the adhesive pieces in a debris bag for disposal.

Smooth the edges of the repair, again set the drywall central the rectangle and spiral it in abode with 1 1/4-inch drywall screws. Space the screws about 6 inches afar about the edges and about 12 inches afar in the centermost of the rectangle.

Lay drywall band about the edges of the drywall. You can use cardboard or fiberglass cobweb band for this. If you use cardboard tape, bathe it with baptize aboriginal to advice it adhere.

Cover the band and ample the spiral holes with drywall collective compound, instructs Lowe’s. Lay it on with a 6-inch drywall knife and scrape it flat, again anon lay addition covering and scrape it.

Wait for the collective admixture to dry, which takes eight to 12 hours, again administer addition covering with an 8-inch blade, feathering the edges of the seams into the surrounding wall. Let that covering dry, again echo with a 10-inch blade.

Sand the seams with 120-grit sandpaper and spot-fill any voids that remain. When all the mud is dry, prime it with drywall album afore painting the wall.

Utility knife

Pencil

Tape measure

Drywall T aboveboard or straightedge

Vacuum

Dust mask

Three-in-one tool

Garbage bag

1 1/4-inch drywall screws

Drywall tape

Drywall collective compound

6-, 8- and 10-inch drywall knives

150- or 220-grit sandpaper

Drywall primer

If you accept two damaged areas to adjustment that are abutting together, try to do it with a distinct allotment of drywall. Two baby aliment accept added likelihood of actuality arresting – which you appetite to abstain – than a distinct ample one.

If possible, extend the ellipsoidal adjustment breadth to a bend or to the baseboard to abate the likelihood of the bond actuality visible.

How To Patch Drywall – How To Patch Drywall
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