We set our standards of quality, value and customer service to the highest degree. Our professional commercial roofing contractors go the distance to ensure your experience with us is a pleasurable one. The commercial roofing experts at RSH Engineering & Construction will perform inspection & agreed upon maintenance and can determine if there is a problem, and exactly what caused the problem, and how to fix it.” We also offer waterproofing roofs, roof repair, metal roofing, flat roofs and new roofs. The roof is the most important part of any building whether big or small. Roof problems must be checked regularly. Doing this will help you prevent greater problems later on.