For painted restroom wall surfaces, use a semi-gloss coating that may produce a waterproof surface. Take into consideration using a paint that maybe created with mold hindering antimicrobial agents or adding mold inhibitors to the paint prior to applying it. After that follow these actions before beginning the cleansing process. http://moldtestinginmyarea10727.spintheblog.com/6583960/mold-inspection-companies-10-signs-that-you-have-a-trouble-with-toxic-black-mold-in-your-home