Fireproof Attic Vents

Vents on homes create openings for flying embers.

Fireproof attic vents.

Copper as well as a variety of pre. It can also enter the attic space if you have a roof leak. The vent is made of an elongate strip of ventilation material providing a plurality of ventilation passageways therethrough permitting air flow therethrough. Gables like dormers are vertically oriented vents best placed as high as possible.

Patent application 11 875 034 filed october 19 2007. Build your roof or re roof with materials such as composition metal or tile. Roof and crawl space vents are required by most building codes. 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. Gable louvers help provide attic ventilation to exhaust gable louvers help provide attic ventilation to exhaust unwanted heat and moisture which can damage wood or roofing materials. Common 1 4 screens are ineffective and should be replaced or retrofitted. Conforms to federal specification qq.

The intumescent coating is designed to quickly swell up and close off when exposed to high heat. 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. Ember and fire resistant vent u s. Cover all vent openings with 1 16 inch to 1 8 inch metal mesh.

Block any spaces between roof decking and covering to prevent embers from catching. When used in conjunction with lower soffit or eave vents rapid cooling and venting of the attic can take place. Vulcan vents are the perfect fire stopping vent for your home. 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.

Vents are vulnerable to wildfires when embers and flames enter into the enclosed attic or crawl spaces and ignite combustible materials in those areas. A balanced ventilation system 50 intake ventilation combined with 50 exhaust ventilation can also lower utility bills. This attic vent provides maximum airflow 72 square inches of net free ventilation area nfva without detracting from the aesthetics of the roof design. An air intake or exhaust vent for an external roof or wall of a building.

Moisture can enter the crawl space from the soil or through the foundation wall from the surrounding landscape. Alternatively cover all existing vent openings with 1 8 inch or 1 16 inch wire mesh. Do not use fiberglass or plastic mesh because they can melt and. This is a photograph from a test conducted in a fire research laboratory.

As seen on this old house vulcan vents are designed to be fire and ember safe.