Fireproof Attic Vents

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Fireproof attic vents.

The intumescent coating is designed to quickly swell up and close off when exposed to high heat. Do not use fiberglass or plastic mesh because they can melt and. An air intake or exhaust vent for an external roof or wall of a building. As seen on this old house vulcan vents are designed to be fire and ember safe.

Cover all vent openings with 1 16 inch to 1 8 inch metal mesh. Moisture can enter the crawl space from the soil or through the foundation wall from the surrounding landscape. An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives. Roof and crawl space vents are required by most building codes.

Block any spaces between roof decking and covering to prevent embers from catching. Use manufacured and ca approved vents see below to retrofit existing attic soffit basement foundation and gable vents where possible. 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 on homes create openings for flying embers.

Gables like dormers are vertically oriented vents best placed as high as possible. Vents are vulnerable to wildfires when embers and flames enter into the enclosed attic or crawl spaces and ignite combustible materials in those areas. This attic vent provides maximum airflow 72 square inches of net free ventilation area nfva without detracting from the aesthetics of the roof design. 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.

Build your roof or re roof with materials such as composition metal or tile. Vulcan vents are the perfect fire stopping vent for your home. 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.

Ember and fire resistant vent u s. Common 1 4 screens are ineffective and should be replaced or retrofitted. Quick reference as well as more pics and info for gable vents. It can also enter the attic space if you have a roof leak.

Alternatively cover all existing vent openings with 1 8 inch or 1 16 inch wire mesh. The vent is made of an elongate strip of ventilation material providing a plurality of ventilation passageways therethrough permitting air flow therethrough. This is a photograph from a test conducted in a fire research laboratory. 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.

Copper as well as a variety of pre.