Fireproof Attic Vents

Common 1 4 screens are ineffective and should be replaced or retrofitted.

Fireproof attic vents.

Alternatively cover all existing vent openings with 1 8 inch or 1 16 inch wire mesh. O hagin standard line of attic vents is available for contractor painting in 26 gauge g90 mill finish galvanized steel 0 032 aluminum 16 oz. Block any spaces between roof decking and covering to prevent embers from catching. As seen on this old house vulcan vents are designed to be fire and ember safe.

Conforms to federal specification qq. 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. Roof and crawl space vents are required by most building codes. An air intake or exhaust vent for an external roof or wall of a building.

When used in conjunction with lower soffit or eave vents rapid cooling and venting of the attic can take place. The vent is made of an elongate strip of ventilation material providing a plurality of ventilation passageways therethrough permitting air flow therethrough. Ember and fire resistant vent u s. Vents on homes create openings for flying embers.

The intumescent coating is designed to quickly swell up and close off when exposed to high heat. Build your roof or re roof with materials such as composition metal or tile. Copper as well as a variety of pre. Do not use fiberglass or plastic mesh because they can melt and.

The function of the vents is to remove excess moisture from those spaces. Use manufacured and ca approved vents see below to retrofit existing attic soffit basement foundation and gable vents where possible. Gables like dormers are vertically oriented vents best placed as high as possible. This is a photograph from a test conducted in a fire research laboratory.

Quick reference as well as more pics and info for gable vents. An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives. Patent application 11 875 034 filed october 19 2007. Moisture can enter the crawl space from the soil or through the foundation wall from the surrounding landscape.

A balanced ventilation system 50 intake ventilation combined with 50 exhaust ventilation can also lower utility bills. Cover all vent openings with 1 16 inch to 1 8 inch metal mesh. 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. Vents are vulnerable to wildfires when embers and flames enter into the enclosed attic or crawl spaces and ignite combustible materials in those areas.

It can also enter the attic space if you have a roof leak.