Fireproof Attic Vents

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

Fireproof attic vents.

A balanced ventilation system 50 intake ventilation combined with 50 exhaust ventilation can also lower utility bills. Block any spaces between roof decking and covering to prevent embers from catching. Cover all vent openings with 1 16 inch to 1 8 inch metal mesh. 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.

Quick reference as well as more pics and info for gable vents. The intumescent coating is designed to quickly swell up and close off when exposed to high heat. Vulcan vents are the perfect fire stopping vent for your home. This is a photograph from a test conducted in a fire research laboratory.

Roof and crawl space vents are required by most building codes. Vents are vulnerable to wildfires when embers and flames enter into the enclosed attic or crawl spaces and ignite combustible materials in those areas. An air intake or exhaust vent for an external roof or wall of a building. Do not use fiberglass or plastic mesh because they can melt and.

Build your roof or re roof with materials such as composition metal or tile. 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. The vent is made of an elongate strip of ventilation material providing a plurality of ventilation passageways therethrough permitting air flow therethrough. Moisture can enter the crawl space from the soil or through the foundation wall from the surrounding landscape.

Conforms to federal specification qq. It can also enter the attic space if you have a roof leak. Ember and fire resistant vent u s. The function of the vents is to remove excess moisture from those spaces.

Patent application 11 875 034 filed october 19 2007. This attic vent provides maximum airflow 72 square inches of net free ventilation area nfva without detracting from the aesthetics of the roof design. Vents on homes create openings for flying embers. Copper as well as a variety of pre.

An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives. Use manufacured and ca approved vents see below to retrofit existing attic soffit basement foundation and gable vents where possible. Alternatively cover all existing vent openings with 1 8 inch or 1 16 inch wire mesh. When used in conjunction with lower soffit or eave vents rapid cooling and venting of the attic can take place.

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.