Specializes in Drywall Repairs. An entire house can be drywalled in one or two days by two experienced drywallers,and drywall is easy enough to use that it can be installed by many amateur home carpenters. Drywall sometimes referred to as sheetrock,is cut to size,using a large T-square,by scoring the paper on the front side (usually white) with a utility knife in the opposite direction.