Fire Rated Roof Flashing

Ul 790 is a quality assurance service listing.

Fire rated roof flashing.

View top sellers in. This test evaluates the following performance criteria. Roof covering roof covering products are given a fire class rating of a b or c based on their tested fire resistance. Gibraltar building products 11 in.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. A burning wooden block is placed on module as a fan blows at 12 mph. Open valleys have metal flashing to protect this critical area of the roof. Set your store to see local availability add to cart.

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. 1 flame penetration through the roof covering into the attic space 2 flame spread over the surface of the roof covering and 3 the propensity for the roof covering to become dislodged and generate embers. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Flame cannot be seen on underside of roof within 90 minutes.

The fire rating of a roof covering is either class a class b class c or unrated. An unrated roof is the most vulnerable the most common example of an unrated roof covering is one made using non fire retardant treated wood shakes or shingles. The ul tests under ul 790 evaluate the behavior of a roof covering under three fire hazards exposure of the roof to intermittent flame.