Products / Design Span hp
Design Span hp
UL 2218 Class 4Design Span hp is a performance-rated structural standing seam panel with a 1-3/4 inch rib that snaps together over a concealed clip, with no field seaming required and factory-applied sealant as standard. It comes in 12, 16, 17 and 18 inch coverages in 24 and 22 gauge Zincalume (AZ50) steel with Dura Tech 5000 or Dura Tech mx PVDF paint, striated or flat pan, in lengths of 5 ft 3 in to 45 ft, on a 2:12 minimum slope, with an optional wide batten cap and factory eave notching. The product page lists UL 2218 Class 4 hail impact among its performance certifications and cites IAPMO Evaluation Report ER-0309; the linked product sheet's testing line lists UL 580, UL 790, ASTM E1592, ASTM E1680 and ASTM E1646 and does not list UL 2218.
UL 2218 Class 4UL 580 Class 90UL 790 Class AASTM E1592ASTM E1680ASTM E1646UL 2218 Class 4
Sources
- aepspan.com verified 2026-09-25