The ul tests under ul 790 evaluate the behavior of a roof covering under three fire hazards exposure of the roof to intermittent flame.
Fire resistant roofing shingles.
Ul 790 is a quality assurance service listing.
Storms that bring hail airborne debris and high winds put your roof at risk for damage and installing impact resistant shingles may.
Slate is another.
Metal tiles are made of a material that does not ignite when on fire with a fire resistant barrier with a class a protection.
Comparing roofs fire resistance asphalt shingles.
If you re one of the millions of american homeowners who live in an area where intense storms frequently occur then your choice of roofing shingles plays a critical role in protecting your roof from storm damage.
Most metal roofs are made of steel copper zinc and alloys that are best for the dry environment in nevada.
Concrete and clay tiles.
Class 4 impact resistant roofing shingles.
The benefit of metal tiles is that they are non corrosive and sit strong on houses with a steep slope.
Concrete is used more often in industrial and commercial construction rather than residential.
Common class a roof coverings include asphalt fiberglass composition shingles and concrete or clay tiles.
Cedur s shingles are one of the only fire resistant roofing materials that do not need a special fire resistant underlayment.
Class a is the most fire resistant and should be the choice of anyone living in wildfire prone areas.
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.