Labels:bulletin board | hakham | monitor | reckoner | sky OCR: GAD ESVG The requirement to provide aUL-90 rated roof assembly has found its way into many specificat ions UL- -90 rated assembly comprised of specific panel fastening system substrate and miscellaneous installation requirem ients The tested assembly will specify material type, maximum on-center dim ension clip spacing, metal gauge fastener quantity The UL-90 rating extended to all roof assem blies that have been able to pass UL 4.1/2 hours of higher application Of positive and negative simulated wind uplift as per the UL 580 protocol. UL-30, UL-60, or UL-90 rating may be achieved. LOAD TESTIVG pecif maximun highei applicati