Fire Rating Roofing Shingles

Class a fire rating shingles with the highest fire resistance are classified as class a.

Fire rating roofing shingles. These shingles will be effective against moderate fire exposures are not readily flammable and will not cause fires to spread. Ul 790 is a quality assurance service listing. 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.

The main difference. 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. These shingles are also not readily flammable will not readily contribute to the spread of fire and are relatively effective against moderate fire exposure. Unique diamond shape is a good choice for homes with a steep roof.

Consumer reports reveals the best roofing shingles from its comprehensive tests including 3 tab architectural and multilayered architectural asphalt shingles. Roofing with a class c rating is able to. Class a fire resistance rating. Features a diamond open tooth design.

Shingles are categorized into classes that identify their fire resistance. A standard fire test is used to determine the fire rating of a roof covering. Class a roofing materials are the most fire resistant. 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.

Shingles feature an algae defender. Experience maximum flame spread of 13 feet. Only available in four colors. 110 130 mph wind warranty.

Most customer reviews of pabco roofing shingles are positive. Classes b and c denote progressively less fire resistant qualities. Class c roofing provides only light fire protection.