Roof Gravity Ventilation

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.

Roof gravity ventilation.

Bgh gravity ventilators offer a modern low silhouette design that blend with roof lines and other equipment. The aura gravity roof ventilator vigorously removes heat from the attic in the summer and moisture from the attic in the winter. How does it work. Designed for maximum airflow passage and weathertight integrity bgh comes in either intake or relief models with aluminum or galvanized finishes.

Windows and doors at lower elevations provide the intake portals of the gravity ventilation system. An extensive range of sizes is offered with many standard and optional features. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. Non powered ventilators work on pressure differential between the inside and outside of the building allowing the intake of fresh air.

The aura gravity roof ventilator functions much like a spinning roof turbine also known as whirlybird but does not need to spin in order to work. Enter square footage calculate or enter the square footage of the attic or area to be vented. Models mgi mgr twin city fan s all new line of hooded modular gravity ventilators provide natural ventilation of commercial and industrial buildings in roof mounted installations. 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.

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. The aura gravity roof ventilator dynamically removes heat from the attic in the summer and moisture from the attic in the winter. See the benefits of attic ventilation a new roof is more than just shingles. These hooded gravity roof ventilators are designed for nonpowered ventilation or can be used in conjunction with powered exhaust supply or reversible fans.

Use with mechanical systems. The aura gravity ventilator functions like a spinning roof turbine but does not need to spin in order to work. The interlocking hood panel design of the mgi intake and mgr relief results in a unit which is both structurally robust and aesthetically pleasing. Gravity roof ventilation turbo charged.

How does it do this. Gravity vents are placed on the roof being the highest part of the structure to provide for exhaust of building air.