Incorporated in 1912, Richards-Wilcox was the first company in Canada to introduce sectional overhead doors and establish nationwide distribution channels. In the 1970s, RW launched a full line of commercial steel sectional doors. In the 1980s,  began production of a continuous polyurethane insulated commercial section one of only three lines of its kind in North America.

Insulated sections fabricated from pre-painted, hot dipped galvanized steel sheet or aluminum; with rigid polyurethane insulation core, CFC and HCFC free, face sheet stucco embossed and rib reinforced (T175-20 is flush)

Sections feature thermal break, steel-polyurethane-steel sandwich formed by continuous process