Ul 90 Roof Rating

This test evaluates the roof deck its attachments to supports and roof covering materials only.

Ul 90 roof rating.

238 uplift class 90 fire not investigated reinforcements used 1. Metal roof deck panels no. Wind uplift class 90 what are the u l. Standard 580 tests for wind uplift resistance of roof assemblies.

The resulting rating is used to apply a classification to the roof panels. This rating is used to apply a classification to roof panels. Roofing bearing the ul classification mark. 405 tgkx 405 download plywood deck cee lock construction no.

A safety factor of 2 means the maximum allowable design load is 45 psf. The ratings are stated as 1 60 1 90 1 120 and so on referring to wind pressure in pounds per square foot psf. Morin corp seams may be 45 90 or 180. May be reinforced with fabric 3 oz sq yd max.

This test is to evaluate comparative resistance of roof assemblies to simulated load which correspond to wind velocities of 100 174 mph. Fm global states their panel ratings as 1 60 1 90 1 120 and so on. Classification a b or c and maximum 2 in incline for membrane manufacturer s insulated or non insulated roofing. Metal roofing systems inc mrs system 2500 2.

Ul 1897 roofing systems uplift resistance certifications. The second number denotes the wind pressure in pounds per square foot. 30 class 60 and class 90 tests. Ul standard ul 580 edition 5 standard for tests for uplift resistance of roof assemblies edition date.

Ul 90 wind uplift ratings n a. To be tested in accordance with ul 580. November 02 2006 ansi approved. Any epdm tpo hypalon pvc tpa modified bitumen or cpe single ply membrane system mechanically fastened or fully adhered non insulated or insulated.

Acryshield 1 to 6 gal sq. Class 1 is rated at 1 90 the default standard for roof system not located in a coastal or high wind area. Bermuda roof panel construction no. Ul 580 roof deck.

Class 1 roof panels are rated at 1 90. 60 and 90 ratings established for roof deck constructions by ul 580 testing.