Products / M-Loc
M-Loc
UL 2218 Class 4M-Loc is a low-rib exposed-fastener panel Central States markets as an all-purpose panel for roofing and siding, offered in 26-gauge (0.0185 inch, 80,000 PSI) or 24-gauge (0.0230 inch, 50,000 PSI) steel over a Galvalume AZ50 substrate, with a 36-inch panel coverage width and a 13/16-inch rib height on 6-inch centers. SMP or Fluropon paint systems are offered with no textured color options. The product page lists a lifetime limited paint adhesion warranty, a 30-year chalk-and-fade warranty, and a 50-year Galvalume perforation warranty.
Manufacturer
Material
Impact class
UL 2218 Class 4Fire rating
Class A
Warranty
lifetime (paint adhesion); 30 (chalk and fade); 50 (Galvalume perforation) (paint and substrate (tiered))
Standards met
UL 2218 Class 4 (Impact Resistance)UL 580 Class 90 (Uplift Resistance)UL 790 Class A (Fire Resistance)
Status
active
Spec sheet
Sources
- centralstatesco.com verified 2026-09-19