New roofing law requires new NYFD welding certifications.

One year ago a little known new law was adapted that dramatically changed the entire roofing industry. This law prohibits using a popular waterproof roof system -- torched down modified bitumen roof membranes -- on combustible buildings. In New York City such roof systems can now only be installed on fireproof, non-combustible buildings. This law also established testing and certification requirements from the New York City Fire Department (FDNY) before a roof contractor can use an open torch on a non-combustible building.

The FDNY now requires that any person using a propane torch on a fireproof building's roof take a course and pass an exam to obtain a Certificate of Fitness. The F