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. When used in conjunction with lower soffit or eave vents rapid cooling and venting of the attic can take place. Gables like dormers are vertically oriented vents best placed as high as possible. Approaching fire generates heat whichtriggers the vulcan vent to close. The vulcan vents are the only fire resistant vents that meet both the wildland urban interface wui and the one 1 hour fire test standards for the exterior of buildings all while providing the proper amount of ventilation to attic and crawl spaces in building structures.
Common 1 4 screens are ineffective and should be replaced or retrofitted. The conmpany s soffit and eaves vents prohibit flame intrusion through a structure s ventilation system. Under eave soffit vents important airflow notes. Use manufacured and ca approved vents see below to retrofit existing attic soffit basement foundation and gable vents where possible.
As seen on this old house vulcan vents are designed to be fire and ember safe. 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. Is recognized for its industry leading efforts in research development and testing. An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives.
Vulcan vents are the perfect fire stopping vent for your home. These patented attic vents are accepted for use by many local fire officials for installation in wildland urban interface wui zones. Vulcan vents are listed by the california state fire marshal under category 8165 of the building material listing program. Vents are vulnerable to wildfires when embers and flames enter into the enclosed attic or crawl spaces and ignite combustible materials in those areas.
Quick reference as well as more pics and info for gable vents. This is a photograph from a test conducted in a fire research laboratory. It shows fire penetrating a frieze block vent with flames entering into what would be the attic. Alternatively cover all existing vent openings with 1 8 inch or 1 16 inch wire mesh.
Today o hagin has local and national testing approvals. The intumescent coating is designed to quickly swell up and close off when exposed to high heat.