Step 1: Measure and Mark Around the Damaged Area

Measure around the opening and use a speed square to mark a square around the area. Use a utility knife to square the edges of the opening.

Step 2: Measure and Cut the Patch

Measure the square, then transfer the measurement to a larger piece of drywall that will serve as the patch. Trim the piece to one and half-inches larger than the square.

Step 3: Remove the Drywall Material Outside the Square

Remove part of the drywall material around the square, leaving the drywall paper on one side of the patch.

Step 4: Fit the Patch

Dry fit the patch by inserting it into the square hole in the wall. Adjust as necessary to achieve a good fit, then cover the wall area with drywall mud (Image 1). Insert the patch into the hole (Image 2) and press the edges into the drywall mud to adhere.

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    Image 1

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    Image 2

Step 5: Cover the Area With Joint Compound, Sand and Paint

Use a joint knife or a putty knife to spread a layer of drywall compound approximately 1/8" thick (Image 1); feather the edges outward.

Cut pieces drywall tape two inches longer than patch and wider than the patch. Place the tape over the seams of your patch; rake the tape downward with a putty knife, then spread another wide layer of compound over the tape, again feathering the edges outward. Allow the area to dry, sand it smooth (Image 2) and apply paint.

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    Image 1

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    Image 2