Ul Class A Roof Fire Rating

The roof can withstand severe exposure to fire see astm e 108.

Ul class a roof fire rating. What are these ratings. 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. A 12 x 12 x 2 1 4. Class a roofing is the preferred choice for any home but this type of roofing is particularly important if you live in an area that is prone to wildfires to achieve a class a rating the roof must be effective against severe fire exposure.

Example test process for class a fire protection rating. For fire tests of roof coverings and ul 790 standard test methods for fire tests of roof coverings the tests provide the basis for the class a b and c designations. Class a designates resistance to relatively severe fire test exposure. Get free shipping on qualified class a roof shingles or buy online pick up in store today in the building materials department.

Truck tool rental. The ul 790 astm e 108 standard test methods for fire tests of roof coverings covers the fire resistance performance of roof coverings exposed to simulated fire. Construction needed to achieve a class a b or c fire rating for a roof assembly. 3 1 lifetime refers to the length of warranty coverage provided and means as long as the original individual owner s of a single family detached residence or the eligible second owner s owns the property where the qualifying gaf products are installed.

The information needed to achieve code compliant installations is included below. Understanding roof fire ratings class a roofing. The best rating achieved is class a which is described by ul as effective against. According to the nrca kirby who referred to astm e 108 and ansi ul 790 class a roof coverings are not readily flammable are effective against moderate fire exposures and do not carry or communicate i e.

Set custom price range. Class a b or c rating is a measurement of the external spread of flame on a roof surface. 20 30 3 30. The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c.

The slope of the test specimen is preselected and since steeper slopes are more of a challenge due to melting material feeding the fire the rating applies to the maximum slope passed. The accepted method for measuring external fire resistance is astm e 108. Fire rating ul 790 class a 56 no rating available 1 price. Will upgrade the ul fire classification of almost any type of roof.