The draw bolt collar available in sizes up to 12 offers secure fit yet is easily removed when needed.
Gravity roof vent residential.
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.
Gravity vents are placed on the roof being the highest part of the structure to provide for exhaust of building air.
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.
Windows and doors at lower elevations provide the intake portals of the gravity ventilation system.
Gravity ventilators gravity intake and relief ventilators for use in non powered applications.
An extensive range of sizes is offered with many standard and optional features.
The gbv features watertight construction and a low silhouette while offering positive draft for good air flow.
Bgh gravity ventilators offer a modern low silhouette design that blend with roof lines and other equipment.
Low profile gravity roof vents feature corrosion resistant weather resistant rigid aluminum construction and include integral bird screens.
They both effectively remove radiant heat from the attic in the summer and water vapor from the attic in the winter.
Designed for maximum airflow passage and weathertight integrity bgh comes in either intake or relief models with aluminum or galvanized finishes.
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.
A built in curb cap offers prepunched holes to help provide for easy attachment to the roof curb.
Use with mechanical systems.
Shop for a gravity roof vent from grainger in either hooded or low profile design.
Engineered and certified for both flat roof ventilation and steep slope ventilation the aura gravity ventilator is available for both residential and commercial buildings.
The globe roof vent gbv is an economical gravity ventilator for use on residential commercial and industrial applications.