Choose one of the following products to meet the recommended exhaust nfva of 528 square inches.
Gravity roof vents residential.
Gravity ventilators gravity intake and relief ventilators for use in non powered applications.
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.
Bgh gravity ventilators offer a modern low silhouette design that blend with roof lines and other equipment.
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.
The globe roof vent gbv is an economical gravity ventilator for use on residential commercial and industrial applications.
The edge vent provides proper intake ventilation for homes with little or no overhang.
Ventsure 4 foot strip heat moisture ridge vent.
Both function like roof turbines more static vents with or without curb mount flanges.
27 lineal feet required.
It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed.
Designed for maximum airflow passage and weathertight integrity bgh comes in either intake or relief models with aluminum or galvanized finishes.
It can be used to supplement existing soffit or undereave vents as well.
The draw bolt collar available in sizes up to 12 offers secure fit yet is easily removed when needed.
Engineered and certified for both flat roof ventilation and steep slope ventilation the aura gravity ventilator is available for both residential and commercial buildings.
Commercial gravity roof exhaust aura ventilators function much like their residential roof vent version.
They both effectively remove radiant heat from the attic in the summer and water vapor from the attic in the winter.
Windows and doors at lower elevations provide the intake portals of the gravity ventilation system.
The gbv features watertight construction and a low silhouette while offering positive draft for good air flow.
Use with mechanical systems.
It s a roof top installed shingle over intake vent designed based on roofing contractor feedback from our ask the expert seminars.
Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier.
An extensive range of sizes is offered with many standard and optional features.
The gravity intake and relief ventilators are non powered do not have a fan and work on pressure differential between the inside and outside of the building.
The edge vent air vent s intake vent.