SRR - Drywall Cracking & Crowning Issues

Drywall cracking and crowning (i.e., ridging) occurs mainly in dry regions of the country that occasionally experience periods of high humidity. This document explains the mechanism by which DCC occurs, how seasonal lumber movement is not the culprit, and how correct gypsum board installation practices avoid the problem. This document is part of the SBCA Research Report series.

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