Revision context
Document record
The file is a Word guide specification titled Snap-Clad Copper 18 inch NO UL 90, dated August 2024. The document’s Section 07410 covers preformed metal standing seam roofing made as a pre-finished, pre-fabricated system by Petersen Aluminum Corporation. The scope is factory formed standing seam metal roof panels. Related work named covers structural steel, steel joists and sheet metal flashing. The material is copper sheet and strip under ASTM B370, and the references include SMACNA, AISI and the Aluminum Association design manual.
The performance section covers water penetration under ASTM E283 and E331 and a Standard Building Code wind load. It has no UL Class 90 wind uplift paragraph. The weathertight warranty period is 20 years from substantial completion, and the applicator warranty is two years. The section also covers submissions for panel profile, gauge, fasteners and sealants, delivery and storage of metal roof panels, and coordination with curbs and penetrations.
Material changes / notes
Official file linked from the current catalogue. No local archive copy is retained. Publication date and revision have not been verified.