How Do I Repair a Crack in a Drywall Ceiling?

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Settlement is just one of a few different causes for cracks in drywall seams. Find out how to repair a crack in a drywall ceiling with help from a construction professional with over 25 years of experience in this free video clip.

Part of the Video Series: Drywall Repair & Maintenance
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Hi, this is Nicholas Iarocci, the home source guy, owner of Source Development Inc., a home improvement company in Garnerville, New York, and this is how do I replace cracks in drywall seams? There's a few causes for cracks in drywall seams. One being settlement. Settlement caused by foundation settling. Settlement caused by the lumber that was used during construction. If there's a high moisture content in the lumber that they used, what happens is it's swollen at the time of installation, but as time goes on, the lumber shrinks. So, it separates the boards, or it could butt the boards together and pop out the middle seam. So, there's various causes for settlement. One other cause, when the drywall installer installs the drywall, perhaps he left too much of a gap between the two drywall pieces. They should be pretty close, pretty tight to one another when they're installed. So, very often if the wall is crooked, a lot of the guys will fudge it, and they'll leave a little gapping which will end up pushing out the tape, or will be more prone to disturbance during the settlement. So, we've simulated a drywall seam. You would remove a section of tape that's been affected, any loose compound. Apply a liberal coat of compound to the seam. Apply paper tape over it. Once it's dried, apply further coats of compound until you get a finished product. And that's how to repair a crack in a drywall seam. This is Nicholas Iarocci, the home source guy, owner of Source Development Inc., a home improvement company in Garnerville, New York.

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