Fire Rating Roofing Shingles

Consumer reports reveals the best roofing shingles from its comprehensive tests including 3 tab architectural and multilayered architectural asphalt shingles.

Fire rating roofing shingles.

Unique diamond shape is a good choice for homes with a steep roof. Class a fire resistance rating. Generally most fiberglass shingles have class a fire ratings and most organic shingles such as treated wood shingles have class c ratings. Pressure treated shakes and shingles are the most common roofing materials to fall under the class b rating.

Ul 790 is a quality assurance service listing. Features a diamond open tooth design. 110 130 mph wind warranty. The ul tests under ul 790 evaluate the behavior of a roof covering under three fire hazards exposure of the roof to intermittent flame.

Most customer reviews of pabco roofing shingles are positive. Class a fire rating shingles with the highest fire resistance are classified as class a. Only available in four colors. The main difference.

A standard fire test is used to determine the fire rating of a roof covering. These shingles will be effective against moderate fire exposures are not readily flammable and will not cause fires to spread. Roofing with a class c rating is able to. Shingles are categorized into classes that identify their 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. Shingles feature an algae defender. 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. Class b fire rating shingles that offer moderate fire resistance are classified as class b.

These shingles are also not readily flammable will not readily contribute to the spread of fire and are relatively effective against moderate fire exposure. Classes b and c denote progressively less fire resistant qualities. Experience maximum flame spread of 13 feet.