Attic Dormer Vents Fire Resistant

Important for proper cooling of the attic dormer vents are a common entry point for embers.

Attic dormer vents fire resistant. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. Chapter 7a says that vents must resist the intrusion of embers and flames or that they shall be protected by corrosion resistant noncombustible wire mesh screen with 1 4 openings. Install embers out elite vents. High temp filters in all products.

1 piece galvanized steel construction and lightweight with louver blades to deflect rain or snow. Model building code section s at issue. Rough opening prevents birds and large insects from entering attic space. Adequate attic ventilation prolongs the life of the roof and overall structure and lowers utility bills year long.

Half round dormers like the one below often are often called round dormers. The expanded material acts as an insulator to heat fire and embers. The core of our ember safe and fire resistant vents is manufactured out of high grade aluminum honeycomb and coated with a proprietary intumescent coating made by firefree coatings. Low profile dormers are often called eyebrow vents.

The intumescent coating is designed to quickly swell up and close off when exposed to high heat. Here are excerpts from that code and part of a discussion of the absence of a method of acceptance for special eave vents and a resolution that permits use of a fire resistant soffit vent from vulcan technologies. Calfire certified per astm e2886. Embers out elite vents filter and stop wildfire embers wind driven rain dust debris insects and rodents from entering your home through the attic vent.

Flame ember resistant gable end vent 14 x 24 retrofit 0 125 screened. Our half round dormer vents are attractive long lasting and fire resistant. See our retrofits and subflashings not sure what vent you need. 1 8 mesh is also allowed and is preferred based on recent research and experience and knowledge gained in large wui wildfires.

An available option for all o hagin attic ventilation products featuring an interior stainless steel matrix that resists the intrusion of flames and burning embers. O hagin universal direct deck attic vents. Embers out builds the best vent. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters.

Designed to provide maximum airflow into the attic this roof dormer vent has a crimp less face and eliminates the need for sealant or solder. Galvanized wire mesh over the 12 in. For retrofitting gable end vents. Astm a653 a653m g90 hot dipped galvanized steel.

Gable vents calif building code sfm 12 706a 2 1. Overlapping baffle protection with 1 8 screen backing. 2007 cbc section 704a 2 attic ventilation.