Products / DMC 550S
DMC 550S
UL 2218 Class 4The DMC 550S is an interlocking standing seam roof panel with an integral seam, described by Drexel Metals as quick to install and producing a weathertight seam. Standard nominal widths are 15 and 19 inches, in painted Galvalume or Drexlume (22 and 24 gauge) and aluminum (.032 and .040 inch). Minimum slope is 3:12, over plywood decking or insulated metal decking with approved underlayment. The data sheet states a 35-year non-prorated PVDF paint warranty on Galvalume and aluminum substrates and a 25-year warranty on the Drexlume substrate.
Manufacturer
Material
Product line
Metal Roof Panels
Impact class
UL 2218 Class 4Fire rating
Class A
Warranty
35 (paint finish (non-prorated PVDF))
Standards met
UL 580 Class 90UL 2218 Class 4UL 263UL 790 Class AUL 1897ASTM E1646ASTM E1680
Status
active
Spec sheet
Sources
- drexmet.com verified 2026-09-25
- drexmet.com verified 2026-09-25