MasterLok 90
Applications
Commercial, Roof
Description
MasterLok-90 (also referred to as ML-90) is a snap together trapezoidal standing seam system designed for projects with slopes as low as 1/4:12. ML-90 and ML-FS can be installed over solid decking or substructural members.
Specifications
| Minimum Slope | 1/4:12 |
| Decking Requirements | Open - Solid |
| Minimum / Maximum Lengths | 4’ to 50’ |
| Coatings (Color Chart) | 20 Yr. Galvalume Plus & 40 Yr. Kynar 500 PVF |
| Available Gauges | 24 ga, 22 ga |
| Texas Department of Insurance | |
| Impact Rating | UL2218 Class 4 |
| Fire Rating | Class A |
| Uplift Information | UL580 Class 90 |
| Manufacture Information | McElroy Metal – Clinton, IL / Winchester, VA / Bossier City, LA |








