L&M Roofing Assoc. LLC. is Pittsburgh’s finest commercial roofing company. Years of dedication, persistence, and a strict adherence to quality first has brought L&M Roofing to the front of the pack. Our track record has brought us to a point where we are capable of installing new roofing systems that come with a 30 year manufacturer’s NDL (no-dollar limit) warranty. This warranty includes labor and material while covering the entire roofing system. Very few roofers have proven that they have the skills necessary to be allowed to offer this system. Our roofing systems offer the best value available on a flat roof system. Call L&M Roofing Assoc. today for a free estimate and roof inspection!