Ul 90 Certified Roof

Ul 90 wind uplift ratings.

Ul 90 certified roof.

This program offers a step by step application process to ensure that contractors are current on the latest industry accepted application procedures and installation techniques. Metal roofing systems inc mrs system 2500 2. The ul 580 test method provides a comparative measure of uplift resistance of roof deck constructions. The ul 580 rating determines the uplift resistance of roof assemblies.

Metal roof deck panels no. The test evaluates the roof deck or the roof deck assembly. Roofing bearing the ul classification mark. Testing standards and the markings that identify certified roof deck constructions.

Uplift resistance testing with ul 580 test platform. The test evaluates the roof panel panel clips fasteners and the substrate. Building owners and some specifiers and designers don t realize that the ratings apply to uplift pressures in pounds per square foot psf not wind speeds. 238 uplift class 90 fire not investigated reinforcements used 1.

405 tgkx 405 download plywood deck cee lock construction no. This test evaluates the roof deck its attachments to supports and roof covering materials only. Ul with regard to wind uplift. Bermuda roof panel construction no.

Ul 580 lists roof assemblies as class 30 60 or 90 meaning that they are designed and engineered to withstand continuous wind speeds of 30 60 or 90 pounds per square foot. One common misconception is the belief that fm approvals windstorm classification ratings such as 1 60 1 90 or 1 120 correlate to wind speeds of 60 90 or 120 miles per hour mph. Wind uplift class 90 what are the u l. Morin corp seams may be 45 90 or 180.

Some metal roof systems have been investigated and listed by underwriters laboratories inc. It also serves as a key differentiator for products within the roofing market. The ul certification mark on roofing products and assemblies is relied on by code enforcement officials and buyers to verify that your products and systems meet regulatory requirements. This test is to evaluate comparative resistance of roof assemblies to simulated load which correspond to wind velocities of 100 174 mph.

A 10 foot by 10 foot sample of roofing material is installed onto a test platform.