Fire Rate Roof Flashing
Roof covering roof covering products are given a fire class rating of a b or c based on their tested fire resistance.
Fire rate roof flashing. One goal of this column will be to increase your understanding of each of these ratings and. The gibraltar building products l flashing protects your home the gibraltar building products l flashing protects your home from moisture infiltration where your wall meets your roof. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. Free delivery with 45 order.
Our roof systems are rated by code for external fire resistance under deck exposure and time temperature resistance. L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface. Open valleys have metal flashing to protect this critical area of the roof. The bailey group of companies is recognized as the industry leader offering building solutions to both the commercial framing and drywall finishing residential markets.
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. The slope of the test specimen is preselected and since steeper slopes are more of a challenge due to melting material feeding the fire the rating applies to the maximum slope passed. This test evaluates the following performance criteria. View top sellers in.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Founded in 1950 by sam bailey bailey metal products ltd. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Modules and fire rated roof covering.
We must emphasize however that individual roof components are not rated at all. Compliance also requires the use of fire rated sealants because embers and super heated air can bypass fire rated barriers through poorly designed or constructed wall penetrations and trigger fires inside roof or wall cavities. Flame cannot be seen on underside of roof within 90 minutes. Yes because many sealants and adhesives contain potentially flammable compounds.
Roofing systems are rated by realistic fire tests. Is a family owned and operated canadian company. Rubber electrical mast split pipe boot roof flashing in black model 81746 37 27 37 27. A burning wooden block is placed on module as a fan blows at 12 mph.
The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c.