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Inside
corners are a natural place for
hairline cracks to appear. This
can be prevented by first applying
a thin layer of wallboard
compound, followed immediately by
strips of paper or fiberglass
wallboard tape pressed into the
damp compound. You will want to
use fiberglass tape if you use a
quick-setting compound and paper
wallboard tape if you use a
regular premixed wallboard
compound.
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SKILL
SCALE
Medium
TIME
REQUIRED
Finishing
inside corners should take you 2
to 4 hours.
TOOLS
4-inch
wallboard knife
Corner trowel
Wet sander
MATERIALS
Wallboard
compound
Wallboard joint tape
Sandpaper or sanding screen
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| STEPS |
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Use
a 4-inch wallboard knife to apply
a thin layer of premixed wallboard
compound to both sides of the
inside corner. |
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Fold
a strip of paper wallboard tape in
half, creating a crease by pulling
the strip between your thumb and
forefinger. Then position the end
of the folded tape strip at the
top of the corner joint. Press the
tape into the wet compound first
down one side of the corner joint,
then the other, carefully checking
to make certain the creased
portion of the tape aligns with
the corner of the joint. Then
smooth both sides of the corner. |
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Apply
a second coat of wallboard
compound with a corner trowel.
After the second coat dries, apply
a final coat of compound and
smooth it with a wet sander. |
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Courtesy
of Home Depot
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