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