Fire Rated Roof Flashing

Nystrom manufactures specialty building products for the commercial construction industry.

Fire rated roof flashing.

Is a family owned and operated canadian company. Roofing systems are rated by realistic fire tests. A burning wooden block is placed on module as a fan blows at 12 mph. Products range across 5 divisions.

The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. Expansion joints and construction sealants. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. We must emphasize however that individual roof components are not rated at all.

Flame cannot be seen on underside of roof within 90 minutes. Emseal s manufacturing plants are open and operating at full capacity. Founded in 1950 by sam bailey bailey metal products ltd. The fire rating of a roof covering is either class a class b class c or unrated.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. 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. Waterproof fire rated trafficable sound attenuating insulating air wind seismic and watertight building expansion joints and precompressed hybrid sealants. Roof covering roof covering products are given a fire class rating of a b or c based on their tested fire resistance.

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. Our roof systems are rated by code for external fire resistance under deck exposure and time temperature resistance. Open valleys have metal flashing to protect this critical area of the roof. A minimum 1 hour fire resistance rating to prevent embers and hot gases from making contact with the joists rafters or.

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c. An eave typically has a metal edge flashing and gutter that are attached to a wood fascia trim board. One goal of this column will be to increase your understanding of each of these ratings and.