Fire Rated Roof Flashing

Class c roofing provides only light fire protection.

Fire rated roof flashing. The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c. The bailey group of companies is recognized as the industry leader offering building solutions to both the commercial framing and drywall finishing residential markets. All code compliant flashing methods are acceptable from a fire rating standpoint. Roof eaves overhangs are a fire hazard but they can be protected with an encasement of fire resistant material.

Regularly remove vegetative debris from your roof and gutters. Founded in 1950 by sam bailey bailey metal products ltd. Roofing systems are rated by realistic fire tests. Is a family owned and operated canadian company.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Experience maximum flame spread of 13 feet. Ul fire testing was performed with a gap of 5 which is considered worst case in the standard.

Stucco is often recommended as one of the best materials for boxing in hazardous eaves. A minimum 1 hour fire resistance rating to prevent embers and hot gases from making contact with the joists rafters or trusses or the underside of the roof decking. Bostik fireban one sealant. Dry debris can be ignited by wind blown embers.

Therefore the rating is applicable to any module to roof gap. One goal of this column will be to increase your understanding of each of these ratings and. 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. 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.

Even with class a fire rated roof coverings vertical surfaces next to the roof edge will be exposed to flames from the ignited debris. Attachments and their respective flashings are not constituents of the rating at this time. Our roof systems are rated by code for external fire resistance under deck exposure and time temperature resistance. We stock a wide range of fire rated sealants and adhesives including.

Roofing with a class c rating is able to. Withstand a burning brand measuring 1 5 x 1 5 and weighing 1 4 gram. These flames can extend to the edge of the roof and adjacent siding. What mounting height is acceptable.

A one inch 2 54 centimeter layer of stucco can easily lend a 1 hour fire rating to a wall source.