L&M Roofing Assoc. LLC is the premier Pittsburgh Commercial Roofing company. Our attention to detail, extensive knowledge base, and clear and constant communication help us maintain our status as the most trusted roofing company in the Pittsburgh area. Whether you need a new commercial roof system, flat roof repair, rubber roof membrane or an energy efficient roof coating we are the company you can rely on. Give us a call today for a free estimate and roof inspection.