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How to Repair Corners of Drywall

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  1. How to Repair Corners of Drywall, How to Repair Corners of Drywall: step 1, image 1 of 3 How to Repair Corners of Drywall, How to Repair Corners of Drywall: step 1, image 2 of 3 How to Repair Corners of Drywall, How to Repair Corners of Drywall: step 1, image 3 of 3
    • Measure top and bottom of damaged section.

    • When replacing a corner bead, you must measure at least 1.5 inches from the corner.

    • Use a straight edge between the the top and bottom and draw a straight-line connecting the marking.

    • You can even use the putty knife if the damaged section is not too long.

    • Mark with a pencil, or cut lightly with utility knife.

    • Use caution when using the utility knife as the blade is very sharp and may cause an injury.

  2. How to Repair Corners of Drywall: step 2, image 1 of 2 How to Repair Corners of Drywall: step 2, image 2 of 2
    • Using your putty knife, dig out of the spackle inside your marking.

    • You need to get down to the metal, or vinyl corner drywall bead.

    • Use caution to not dig too deep.

  3. How to Repair Corners of Drywall: step 3, image 1 of 1
    • Unscrew screws in the section of bead that you are going to remove.

    • If it is a vinyl corner bead, then break taped underside with corner of putty knife carefully.

    • Cut the metal corner bead with tin snips.

    • If Vinyl, then use your utility knife.

    • Measure new corner bead and cut.

    • Place new corner bead on corner and fasten in place using screws or tape.

  4. How to Repair Corners of Drywall: step 4, image 1 of 1
    • Apply joint compound with a 4 inch putty knife.

    • The more compound the better. It will shrink while drying.

    • Do not worry about getting corners the perfect.

    • Dry for 12 hours.

  5. How to Repair Corners of Drywall: step 5, image 1 of 3 How to Repair Corners of Drywall: step 5, image 2 of 3 How to Repair Corners of Drywall: step 5, image 3 of 3
    • Sand area with 80 grit sandpaper.

    • Wipe down with damp cloth, sponge, or paper towel.

    • Be careful to not wet down the patch with too much water. Only minimum amount of dampness needed to wipe away sanding dust.

    • Apply thinner coat of joint compound with a 6, or 8 inch putty knife.

    • Pay attention to put pressure on the outside edge.

    • Let dry for 2 hours.

  6. How to Repair Corners of Drywall: step 6, image 1 of 1
    • Sand the area with 120 grit sandpaper.

    • If needed, repeat Step 5 again.

    • Paint the patched area to match wall

Conclusion

Now the corner drywall is ready to be painted and match the rest of the room.

One other person completed this guide.

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