Quote:
Originally Posted by rustyp
Drywall is tapered at the edges. This creates a valley so that you don't end up with a bump when you fill in the crack where the sheets butt together. To do a quality job I.E. no bump you need to use a technique called a rock splice to strengthen a non supported seam. Quality builders do this all the time especially with long seams like in a Lanai. The local big box stores sell these splices.
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Had they done that it should not have cracked and there wouldn't be as many people complaining even after the first repair.