A: Tar-and-gravel roofing is the generic name for a built-up roofing system used on low-slope roofs. Roofs with a rise of 3 inches for every 12 inches of run or less are candidates for a built-up ...

After extensive repairs to a leaking roof assembly, it was determined in 2007 that the 170,000 sq. ft. built-up roof system had suffered significant water damage and a new roof system was needed. The ...

EPDM (ethylene propylene diene monomer), metal, and built-up roofing systems were used more than any other roofing systems in the last two years, according to a recent survey conducted by Building ...

While insulating your attic or crawlspace can improve the efficiency of your HVAC system ... a cool roof can be costly. Light colored or cool coated single-ply membrane A built-up roof with ...