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.
Gravity roof vent residential.
They both effectively remove radiant heat from the attic in the summer and water vapor from the attic in the winter.
The draw bolt collar available in sizes up to 12 offers secure fit yet is easily removed when needed.
Ul listed this gravity roof vent is rated to withstand wind pressures of over 50 psf which is equivalent to wind speeds exceeding 200 mph.
Low profile gravity roof vents feature corrosion resistant weather resistant rigid aluminum construction and include integral bird screens.
A built in curb cap offers prepunched holes to help provide for easy attachment to the roof curb.
Commercial gravity roof exhaust aura ventilators function much like their residential roof vent version.
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.
Shop for a gravity roof vent from grainger in either hooded or low profile design.
Gravity ventilators gravity intake and relief ventilators for use in non powered applications.
The globe roof vent gbv is an economical gravity ventilator for use on residential commercial and industrial applications.
Gravity vents are placed on the roof being the highest part of the structure to provide for exhaust of building air.
Bgh gravity ventilators offer a modern low silhouette design that blend with roof lines and other equipment.
Use with mechanical systems.
Engineered and certified for both flat roof ventilation and steep slope ventilation the aura gravity ventilator is available for both residential and commercial buildings.
An extensive range of sizes is offered with many standard and optional features.
Both function like roof turbines more static vents with or without curb mount flanges.
Designed for maximum airflow passage and weathertight integrity bgh comes in either intake or relief models with aluminum or galvanized finishes.