Considered one of the "grandfathers" of metal roofing in North America, Allan has been in the industry since 1966 -- first in construction, then importing, and currently manufacturing. His company, Dura-Loc Roofing Systems, was the first manufacturer of granular metal roof systems in North America. A longtime champion of the metal roofing industry, Allan is a founding member of the Metal Roofing Alliance and a leading member of the Metal Construction Association (MCA).