There are various factors that can cause the drywall to deteriorate. Some of the common causes of drywall repair in Pennsylvania are water, mold, and termites. Drywall repairs are a common practice in Pennsylvania, with nearly 70% of homes and businesses having at least one repair. As discussed, one of the most common causes of drywall repair in Pennsylvania is water damage. When water particularly gets into your home, it can cause serious problems with your drywall. This includes mold and mildew growth, as well as serious damage to your home’s structure.