Latest edition 2020 URL listing by one of the most engaged professionnal technical specialist !
M. Darrel Henderson - Semi-Retired Roofing Guru ! M. Henderson is a specialized Roofing Specialist, technical resource in regards to FMRC, UL and the NBC and many more involvment of the industry.
He's the originator of the URl lists for roofing since 1999
It's with honnor that we can share those lists for you !