Step 4
Using piece of wallboard the same thickness (usually 1/2″) as the existing wall or ceiling and cut using a utility knife. Tip – Cut the wallboard the same size as the area you need to fill in, or just the slightest amount under size. (1/16th “) You DO NOT want to force the new piece of wallboard to fit or it can be damaged. You want clean seams without ragged or torn edges.