Drywall corners need a covering to make them even and smooth. A paper-faced bullnose corner bead is a metal or plastic strip with a 45-degree angle or rounded bend down the center. The difference between a paper-face bullnose corner bead and a standard metal bead is in the way it is secured to the drywall with joint compound instead of drywall screws, making a paper-faced bullnose bead less susceptible to cracking as the house settles. Paper-face bullnose corner bead is the easiest to install and requires very few tools.
Instructions
1. Measure the wall, allowing for a ¼ to ½ inch allowance between the bead and the floor. Cut the paper bullnose corner bead to size with tin snips. Add a little water to ready mix joint compound to thin the mixture. Fill the pan with the compound.
2. Spread joint compound (or mud) to cover the entire corner using a drywall taping knife. Secure the paper bullnose corner bead to the joint compound. Use a corner roller up and down the full length of the corner bead to secure it. Feather the excess compound from the sides of the corner bead toward the wall using a drywall taping knife.
3. Apply a full coat of joint compound with a drywall taping knife from the nose of the bead toward the wall and feather the edges three to four inches. Check the label on the joint compound or mud for drying times. Let the compound dry thoroughly and lightly sand with 120-grit sandpaper.
4. Apply a second coat of joint compound or mud and feather the edges three to four inches beyond the first. The point of feathering is to create tapered layers to blend with the drywall. The feathered layers of compound should be six to eight inches wide. Let the compound dry thoroughly and sand lightly to a smooth surface. Prime the wall and paint.
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