Fire Rated Attic Vents

Use manufacured and ca approved vents see below to retrofit existing attic soffit basement foundation and gable vents where possible.

Fire rated attic vents. These patented attic vents are accepted for use by many local fire officials for installation in wildland urban interface wui zones. An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives. Is recognized for its industry leading efforts in research development and testing. This is a photograph from a test conducted in a fire research laboratory.

The conmpany s soffit and eaves vents prohibit flame intrusion through a structure s ventilation system. Gables like dormers are vertically oriented vents best placed as high as possible. When used in conjunction with lower soffit or eave vents rapid cooling and venting of the attic can take place. 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.

Vulcan vents are listed by the california state fire marshal under category 8165 of the building material listing program. Vulcan vents are the perfect fire stopping vent for your home. Vents are vulnerable to wildfires when embers and flames enter into the enclosed attic or crawl spaces and ignite combustible materials in those areas. As seen on this old house vulcan vents are designed to be fire and ember safe.

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. The intumescent coating is designed to quickly swell up and close off when exposed to high heat. From its founding roots as a roofing company over 40 years ago o hagin has grown into a nationally recognized designer and producer of top quality state of the art attic ventilation solutions. Today o hagin has local and national testing approvals.

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. 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. It shows fire penetrating a frieze block vent with flames entering into what would be the attic.

Approaching fire generates heat whichtriggers the vulcan vent to close. Under eave soffit vents important airflow notes.