Roof Vents For Flat Roofs

Collar height square flange and an inner louver wildlife guard.

Roof vents for flat roofs. There are two types of flat roof systems warm and cold roofs which affect the positioning of the ventilation. All things being equal wind driven turbine vents also known as a whirlybird roof vent do move more air than flat vents but only when the wind blows. Flat roof ventilation is achieved by creating air changes to the attic or plenum. 3 mushroom roof vent.

The keepa vent is best used for flat roof attic spaces as an exhaust roof vent or fresh air supply intake roof vent. This is a long slender aluminum vent that has a larger cover that is a domed shape. 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. Help protect your roof system from premature deterioration by installing a properly balanced attic ventilation system consisting of cobra exhaust vent at the ridge and adequate intake ventilation at or near the soffit areas of your roof.

Flat roof ventilation is beneficial to flat roofs in all climate zones no matter the color of the roof. Flat roof ventilation allows for the circulation of air in the property particularly for warmer rooms in residential buildings. Removal of excess heat and moisture will help the life of the roof and will help the functionality and efficiency of the hvac systems. Any type of roof from tpo to epdm can be either hot or cold.

It has the shape of a mushroom once it is completely installed. Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents. When thermal insulation is placed below the deck the ventilation must also be on the underside. You know that roofers install vents on residential roofs but what about your commercial flat roof.

Made of corrosion resistant aluminum the keepa vent has a round concentric vent cap and standard 11 in. Ventilation is crucial to these areas as they affect the building as a whole both inside and out. Another common flat roof vent is the mushroom vent. How much ventilation does a flat roof need.

However they help to not only stabilize the temperature within the roofing system and attic but also allow moisture to escape. The answer depends on the type of roof you have.