Drywall Ceiling Repair of Corners
The ceiling drywall joint often reveals separation. This occurs for reasons that possibly
include stress, incorrect taping and finishing procedures.
Looking at the ceiling to wall joint, if separation of the tape occurs, where it actually
appears to be lifting, the joint must be fully cleaned out and the faulty tape removed.
Assuming that water damage has not played a part, and with the paper of the drywall still intact,
knife on the mud and tape. Finishing
to a final skim coat
and texture to match.
For a crack that has shown in the joint -- you may need to take a putty knife and scrape enough to
reveal the cause of the cracking.
If the area failing appears to have been repaired on first sight, it is not uncommon that the joint was never
Often this is the case where the person fixing the area was apprehensive about matching any surrounding texture,
or simply did not want to wait on drying - he or she simply caulked the open drywall seam and did not
apply mud and tape. Or the tape could have been left out altogether.
Caulking will commonly result in cracking, it is not a recommend fix, even for cracking due to movement. But
if the cause is structurally oriented, due to movement in the framing, the problem will likely recur.
All caulking must be scraped free without damage to the drywall paper.
Beware if silicone caulk was used, it can be extremely difficult to clean and prevents proper adhesion
for the recommended fix.
Regardless, the exposed open seam must receive mud, tape, be skim-coated and sanded.
For repair of a ceiling area
that is textured - those repairs
near the corner should not be a problem. Repairs that enter within the texturing should blend with a slightly
lower set when dry, before proceeding to match the existing texture.
For broader area drywall repairs
the fix will somewhat differ.
When done, a ceiling painting
can help restore to a uniform look.