Fire Rated Roof Flashing

Is a family owned and operated canadian company.

Fire rated roof flashing. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. What mounting height is acceptable. Ul fire testing was performed with a gap of 5 which is considered worst case in the standard. The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c.

All code compliant flashing methods are acceptable from a fire rating standpoint. Pressure treated shakes and shingles are the most common roofing materials to fall under the class b rating. Attachments and their respective flashings are not constituents of the rating at this time. Roofing systems are rated by realistic fire tests.

We stock a wide range of fire rated sealants and adhesives including. Dry debris can be ignited by wind blown embers. Founded in 1950 by sam bailey bailey metal products ltd. Roof eaves overhangs are a fire hazard but they can be protected with an encasement of fire resistant material.

Stucco is often recommended as one of the best materials for boxing in hazardous eaves. 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 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. We must emphasize however that individual roof components are not rated at all.

Class c roofing provides only light fire protection. Withstand a burning brand measuring 1 5 x 1 5 and weighing 1 4 gram. 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. One goal of this column will be to increase your understanding of each of these ratings and.

Experience maximum flame spread of 13 feet. Even with class a fire rated roof coverings vertical surfaces next to the roof edge will be exposed to flames from the ignited debris. The bailey group of companies is recognized as the industry leader offering building solutions to both the commercial framing and drywall finishing residential markets. Bostik fireban one sealant.

Roofing with a class c rating is able to. Our roof systems are rated by code for external fire resistance under deck exposure and time temperature resistance. These flames can extend to the edge of the roof and adjacent siding. Open valleys have metal flashing to protect this critical area of the roof.

Therefore the rating is applicable to any module to roof gap.