How to Combine Drywall at Corner Joints

Sheets of drywall used on walls are not flush where they meet at a corner. Two sheets of drywall need to be combined at a corner joint with a drywall corner. Drywall corners are available at most hardware stores. They are long, metal strips that can be cut and attached to drywall to create a seamless corner.

Measuring tape
Metal drywall corner
Tin snips
Hammer
Finishing nails
Joint compound
Mud tray
Putty knife
Power sander

Instructions

- 1
  Measure the height of the corner joint. Cut a metal drywall corner to that length using a pair of tin snips.
- 2
  Press the metal drywall corner against the wall at the corner joint, and tap it gently with a hammer to bend it into place. Hammer finishing nails into the metal drywall corner's holes every 12 inches to secure the metal piece to the wall.
- 3
  Place joint compound in a mud tray, and thin it with water until it is the consistency of pancake batter. Cover the metal drywall corner with the thinned joint compound by using a putty knife. Make the joint compound is smooth over the metal. Allow the joint compound to dry.
- 4
  Sand the corner with a power sander if the dried joint compound is lumpy in places. Apply a second layer of joint compound to cover the metal drywall corner completely.
- 5
  Sand the corner.

How to Attach Cement Boards to Brick Fireplaces

Tips on Opening a Doorway in a Solid Concrete Wall

Wall Repairs