Fire Rated Attic Vents

The core of our fire and ember safe vents are manufactured out of hi grade aluminum honeycomb and coated with an intumescent fire proof coating.

Fire rated attic vents.

An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives. For flush mount over wood etc. Vents are vulnerable to wildfires when embers and flames enter into the enclosed attic or crawl spaces and ignite combustible materials in those areas. Vulcan 14 wide x 18 inch high fire stopping vent with flat front flange face.

The importance of ember and flame entry into vents during wildfires has resulted in the development of commercially available vents designed to resist the intrusion of embers and flame and recomendations for new or retrofit vents to protect existing openings. As seen on this old house vulcan vents are designed to be fire and ember safe. 81 sqin net free venting area. Quick reference as well as more pics and info for gable vents.

When a wildfire nears and the vent reaches the critical temperature the intumescent coating on the matrix structure expands creating an insulating barrier from fire and embers. Gables like dormers are vertically oriented vents best placed as high as possible. Vulcan vents are listed by the california state fire marshal under category 8165 of the building material listing program. When used in conjunction with lower soffit or eave vents rapid cooling and venting of the attic can take place.

The conmpany s soffit and eaves vents prohibit flame intrusion through a structure s ventilation system. Ember entry through vents can result in ignition of combustible materials in the attic and result in a building burning from the inside out. The intumescent coating is designed to quickly swell up and close off when exposed to high heat. Used in outer wall gable area.

It shows fire penetrating a frieze block vent with flames entering into what would be the attic. These patented attic vents are accepted for use by many local fire officials for installation in wildland urban interface wui zones. Shipping leadtime 4 6 business days 93 00 sale 71 95. This is a photograph from a test conducted in a fire research laboratory.

Approaching fire generates heat whichtriggers the vulcan vent to close. Vulcan vents are the perfect fire stopping vent for your home. O hagin universal direct deck attic vents this attic vent provides maximum net free ventilation area nfva and is designed for mop in or dry in applications using tile shingles slate or shake. Flame ember resistant vents naturally provide less airflow than regular unprotected vents and brandguard vent airflow ratings nfva are approximately 30 that of the same size standard 1 4 screened vent and are listed within each products description.