Gravity Type Roof Ventilator

Attic must have 5 sq. Engineered and certified for both flat roof ventilation and steep slope ventilation the aura gravity ventilator is available for both residential and commercial buildings. Strong weathertight hoods on these gravity exhaust and supply ventilators feature interlocking arched galvanized steel panels and include a preassembled bird screen.

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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.

Gravity type roof ventilator.

Often referred to as natural ventilation roof mounted gravity vents work on the principle that hot air rises as the inside of your building heats up during the day that excess heat is released naturally through the vents. Offers roof mounted gravity vents assimple yet effective options for ventilating your building. Gravity intake and relief ventilators for use in non powered applications. These can be ridge vents wind turbines or the flat vents your roofer wants to install.

Gravity vents are placed on the roof being the highest part of the structure to provide for exhaust of building air. In order to take advantage of both wind pressure and stack effect gravity ventilators are generally used in conjunction with open doors and windows to ventilate the structure. Use hooded gravity roof vents with either nonpowered ventilation or in conjunction with powered exhaust supply or reversible fans. 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.

Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof.

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