Fire Rating Roofing Shingles

Most customer reviews of pabco roofing shingles are positive.
Fire rating roofing shingles. Generally most fiberglass shingles have class a fire ratings and most organic shingles such as treated wood shingles have class c ratings. Class a fire rating shingles with the highest fire resistance are classified as class a. The ul tests under ul 790 evaluate the behavior of a roof covering under three fire hazards exposure of the roof to intermittent flame. Ul 790 is a quality assurance service listing.
Features a diamond open tooth design. 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. The main difference. 110 130 mph wind warranty.
Consumer reports reveals the best roofing shingles from its comprehensive tests including 3 tab architectural and multilayered architectural asphalt shingles. Experience maximum flame spread of 13 feet. Class a roofing materials are the most fire resistant. Shingles are categorized into classes that identify their fire resistance.
Only available in four colors. Pressure treated shakes and shingles are the most common roofing materials to fall under the class b rating. Withstand a burning brand measuring 1 5 x 1 5 and weighing 1 4 gram. Unique diamond shape is a good choice for homes with a steep roof.
Classes b and c denote progressively less fire resistant qualities. These shingles will be effective against moderate fire exposures are not readily flammable and will not cause fires to spread. 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.
Roofing with a class c rating is able to. Class c roofing provides only light fire protection. A standard fire test is used to determine the fire rating of a roof covering.