November 02 2006 ansi approved.
Ul 90 roof rating.
The second number denotes the wind pressure in pounds per square foot.
Wind uplift class 90 what are the u l.
The resulting rating is used to apply a classification to the roof panels.
Ul standard ul 580 edition 5 standard for tests for uplift resistance of roof assemblies edition date.
Fm global states their panel ratings as 1 60 1 90 1 120 and so on.
Furthermore the roofing designer or specifier sometimes assumes if there is a design wind speed requirement of 90 mph then the roof system must have a 1 90 rating which is not always true at least not for the reason they think maybe for tall buildings or if other factors exist.
405 tgkx 405 download plywood deck cee lock construction no.
A safety factor of 2 means the maximum allowable design load is 45 psf.
Spread of flame ul 790 burning brand testing ul 790 impact test ul 2218 intermittent flame testing ul 790 solar reflectance thermal emittance coating thickness astm c1549 and c1371 wind resistance astm d3161 wind uplift ul 1897 10x10 and 12x24 deck wind uplift ul 580.
30 class 60 and class 90 tests.
Metal roof deck panels no.
Ul 1897 roofing systems uplift resistance certifications.
Ul 580 roof deck.
Classification a b or c and maximum 2 in incline for membrane manufacturer s insulated or non insulated roofing.
Bermuda roof panel construction no.
Morin corp seams may be 45 90 or 180.
Ul 90 wind uplift ratings n a.
May be reinforced with fabric 3 oz sq yd max.
60 and 90 ratings established for roof deck constructions by ul 580 testing.
Acryshield 1 to 6 gal sq.
Standard 580 tests for wind uplift resistance of roof assemblies.
The ul 580 test method provides a.
238 uplift class 90 fire not investigated reinforcements used 1.
Class 1 is rated at 1 90 the default standard for roof system not located in a coastal or high wind area.
This test evaluates the roof deck its attachments to supports and roof covering materials only.
Roofing bearing the ul classification mark.
This test is to evaluate comparative resistance of roof assemblies to simulated load which correspond to wind velocities of 100 174 mph.
To be tested in accordance with ul 580.
The ratings are stated as 1 60 1 90 1 120 and so on referring to wind pressure in pounds per square foot psf.
Class 1 roof panels are rated at 1 90.
