Attic Dormer Vents Fire Resistant

Our half round dormer vents are attractive long lasting and fire resistant.

Attic dormer vents fire resistant.

Rough opening prevents birds and large insects from entering attic space. O hagin universal direct deck attic vents this attic vent provides maximum net free ventilation area nfva and is designed for mop in or dry in applications using tile shingles slate or shake. Flame ember resistant vents naturally provide less airflow than regular unprotected vents and brandguard vent airflow ratings nfva are approximately 30 that of the same size standard 1 4 screened vent and are listed within each products description. By replacing your existing vents with an embers out vent your home will have an added layer of protection from the elements.

1 piece galvanized steel construction and lightweight with louver blades to deflect rain or snow. Vents accepted by the osfm have provided testing information that was conducted by an accredited fire testing laboratory. Galvanized wire mesh over the 12 in. Half round dormers like the one below often are often called round dormers.

From entering through the vent into the roof. Vent screens don t impede flame entry. Important for proper cooling of the attic dormer vents are a common entry point for embers. As seen on this old house vulcan vents are designed to be fire and ember safe.

These patented attic vents are accepted for use by many local fire officials for installation in wildland urban interface wui zones. Dormers much like gables offer large areas of ventilation in a vertical orientation and are best when used as high up as possible on the roof. 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. Still o hagin has submitted testing information to osfm and has been accepted as an ember and flame resistant vent.

Climate considerations should be taken into account when considering dormers. Types of ventilation venting in your roof system is quite important. There is a small screen inside the vent by the louvers to prevent rodents etc. Except for corrosion resistant metal language chapter 7a doesn t restrict through roof vents.

Dormer vent dormer vents allow heat to rise and escape out of the vent itself. An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives. Low profile dormers are often called eyebrow vents. 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.

Wind blown embers can also enter through vents and depending on the ember size and quantity and the amount of combustible materials in the attic or crawl space ignitions can occur. Fire protection vents and filters prevent fire embers wind driven rain dust debris and nesting animals and rodents from entering your home through the attic vent.