Fire Rated Roof Flashing

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Fire rated roof flashing.

The fire rating of a roof covering is either class a class b class c or unrated. 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. This test evaluates the following performance criteria. 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.

Open valleys have metal flashing to protect this critical area of the roof. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Rubber electrical mast split pipe boot roof flashing in black model 81746 37 27 37 27. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.

Set your store to see local availability add to cart. A standard fire test is used to determine the fire rating of a roof covering. 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. A burning wooden block is placed on module as a fan blows at 12 mph.

Gibraltar building products 11 in. Ul 790 is a quality assurance service listing. Free delivery with 45 order.