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Joints should always be reinforced to prevent cracking.
This is best done by first applying a thin layer of
compound. Then depending on the type of compound you are
using, press strips of paper or fiberglass wallboard tape
into the damp compound. Use fiberglass tape when you are
using a quick setting compound and paper wallboard tape
for regular premixed wallboard compounds. |
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Apply a thin layer of wallboard compound over the joint
with a 10- or 12-inch wallboard knife. |
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Press the wallboard tape into the compound as soon as it
is applied. Be sure to center the tape on the joint, then
wipe away any excess compound. Smooth the joint with a
6-inch wallboard knife, then allow to dry completely. |
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Apply another coat of compound, this time with a 10- or
12-inch wallboard knife, and let it dry overnight before
applying the final coat. |
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Apply the finish coat and sand it until it is smooth. If
dust is a problem (and sanding creates a lot of dust), you
can close off adjacent rooms with plastic sheeting or you
can use a wet sanding sponge. |
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RELATED PROJECTS
Installing Beaded-Board Wainscoting
Finishing Inside Corners
Finishing Outside Corners
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