Revision context
Document record
The file is a Word guide specification titled Snap-Clad Aluminum 16, 12, 10, dated August 2024. Section 07410 covers Preformed Metal Standing Seam Roofing, a pre-finished, pre-fabricated architectural roof system from Petersen Aluminum Corporation. The section includes factory formed standing seam metal roof panels, with the related work named as structural steel, steel joists and sheet metal flashing. The material is ASTM B209 aluminum, and the references include SMACNA, AISI and the Aluminum Association design manual.
The system performance section requires water penetration control under ASTM E283 and E331, a UL Class 90 wind uplift in accordance with UL 580, ASTM E1592 testing, and UL 2218 impact resistance. Warranties are a weathertight warranty of 30 years from substantial completion, a finish warranty of 20 years, and a two-year applicator warranty. Fading is limited to 5 Hunter units under ASTM D2244, and chalking to a No. 8 rating under ASTM D4214. Panels are to be factory produced only, and LEED submission entries cover solar reflective index and recycled content.
Material changes / notes
Official file linked from the current catalogue. No local archive copy is retained. Publication date and revision have not been verified.