The Guide Information for Roofing systems describes specific details for permissible combustible or noncombustible deck constructions. The roofing system ...

Aug 19, 2020 · UL tests the fire resistance of roof construction using External Fire Ratings (Class A, B, or C searched for on the UL website using the UL ...

Seal-A-Ridge Hickory Hip and Ridge Cap Roofing Shingles (25 Linear ft. Hickory AR. Barkwood SG. Shakewood. More Options Available. $57.46. /bundle ($2.30 /sq.ft ...

Nov 27, 2018 · Class A, B or C is the measure of a roof system's ability to resist external fire. Class A is the best rating that can be achieved, which is ...

There are four commercial roof fire ratings: Class A, B, C, and Unrated. ... Class A ratings are obtained when material survives a severe fire test. Class B ...

A roofing product that has Class A Fire rating meets all three requirements which are: ability to resist spreading of flames on surface, ability to resist fire ...

Aug 27, 2019 · Class A is the highest rating, offering the highest resistance to fire, and unrated is the worst. Examples of a Class A roof covering include ...

Class A roof assemblies include those with coverings of brick, masonry or an exposed concrete roof deck. Class A roof assemblies also include ferrous or copper ...

Get free shipping on qualified Class A Roll Roofing products or Buy Online Pick Up in Store today in the Building Materials Department.

Feb 10, 2017 · If the flame spread is 6 ft or less, the test result is Class A. If it greater than 6 ft but less than 8 ft, it is a Class B. So the answer to ...