Shingles Class A Fire Rated Roofing System

The highest rating meaning the most fire resistant is classified as class a and is able to withstand severe fire exposure.

Shingles class a fire rated roofing system.

They can resist discoloration due to algae growth possess a class a ul fire rating and withstand 60 mph winds. Class a is the highest level. That puts it somewhere between class g and class h. Class c fire resistant roofing material.

As for impact resistance. There are three levels of fire resistance. Roof covering packaging that encloses shingles or other roofing that have a fire rating will display the level of fire or wind resistance rating of the materials. For a blend of curb appeal value and weather resistance these three tab shingles are your best bet.

Resist 15 cycles of a gas flame turned on and off. As you can see these shingles have a class a fire rating and its wind resistance rating is 130 mph. Common stand alone class a roof coverings include clay tiles slate asphalt glass fiber composition shingles and concrete tiles. Fire rating ul 790.

View the gaf lifetime roofing system 25 98 bundle 25 98 bundle buy 36 or more 23 38. Get free shipping on qualified class a roof shingles or buy online pick up in store today in the. This is followed by class b which is moderate exposure and then class c which is the lowest rating. Due to the materials used in their construction most asphalt shingle roof assemblies have a class a fire resistance rating.

An example of an unrated covering is an untreated wood shake roof. We do not see any rating here. Set your store to see local. The ul tests under ul 790 evaluate the behavior of a roof covering under three fire hazards exposure of the roof to intermittent flame.

Fire resistance is based on two test standards. Class a is the highest rating offering the highest resistance to fire and unrated is the worst. Last 2 to 4 hours before ignition. In fact their shingles are unique in the fact that they self extinguish fire spread.

Ul 790 and astm e 108. You can find the ratings for gaf timberline shingles on this website. Withstand a burning brand measuring 12 x 12 and weighing 2 000 grams.