Products / Western Lock Standing Seam

Western Lock is a 1.75 inch snap-lock standing seam roof panel fastened with clips and concealed fasteners, 18 inches wide as standard with custom widths from 12 to 20 inches, in lengths from 1 to 52 feet. The maker lists 24 gauge standard and 22 gauge custom on an AZ50 minimum Galvalume/Zincalume substrate, a recommended minimum roof slope of 3/12, and installation over a solid substrate with underlayment. The maker lists UL 2218A Class 4 impact resistance, UL 580 Class 90 wind uplift, ASTM E1680 and E1646 air and water testing, ICC-ES ESR-4729 and Florida approval FL44601 for roof use. The maker's data sheet lists UL 790 Class A fire resistance per building code, and its Class A letter describes its panels as components of Class A roof assemblies when installed per ICC-ES ESR-4729. The PVDF data sheet lists a 30-year limited warranty.