Fire Rating Roofing Shingles

Class c roofing provides only light fire protection.

Fire rating roofing shingles.

Most customer reviews of pabco roofing shingles are positive. A standard fire test is used to determine the fire rating of a roof covering. 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. Only available in four colors.

Roofing with a class c rating is able to. The main difference. Features a diamond open tooth design. Ul 790 is a quality assurance service listing.

Shingles are categorized into classes that identify their fire resistance. If wood shakes and shingles are impregnated with fire retardant chemicals they meet the requirements for a class b fire rating and can meet a class a rating if additional materials are included in the roof assemblies. Withstand a burning brand measuring 1 5 x 1 5 and weighing 1 4 gram. Consumer reports reveals the best roofing shingles from its comprehensive tests including 3 tab architectural and multilayered architectural asphalt shingles.

Unique diamond shape is a good choice for homes with a steep roof. 110 130 mph wind warranty. Classes b and c denote progressively less fire resistant qualities. Class a fire rating shingles with the highest fire resistance are classified as class a.

These shingles will be effective against moderate fire exposures are not readily flammable and will not cause fires to spread. Pressure treated shakes and shingles are the most common roofing materials to fall under the class b rating. The ul tests under ul 790 evaluate the behavior of a roof covering under three fire hazards exposure of the roof to intermittent flame. Class b fire rating shingles that offer moderate fire resistance are classified as class b.

Shingles feature an algae defender. Generally most fiberglass shingles have class a fire ratings and most organic shingles such as treated wood shingles have class c ratings. Experience maximum flame spread of 13 feet.