Flat Roof Intake Vent

Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.

Flat roof intake vent.

Choose one of the following products to meet the recommended intake nfva of 528 square inches. 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. These can be ridge vents wind turbines or the flat vents your roofer wants to install. Ventsure inflow intake vent.

Good attic ventilation is important for preventing ice dams in the winter. Unlike the turbine vent which is open to the sky and allows rain water to enter our pop vent is manufactured with vertical louvers that prevent rain and snow from entering. Soffit vents are one of the most popular intake vent styles. Roof vents need to be built tall for flat roofs because flat roofs drain water poorly and slowly compared to steep sloped roofs.

Attic must have 5 sq. The following product options will allow you to achieve an intake nfva of 528 square inches. The aluminum base holds the vent in place with built in flashing. The keepa attic vent is used for ventilating attics and or plenum as a roof exhaust vent or as an air intake roof vent.

This is a basic venting system that simply acts as a base and holder for piping that is coming through the roof. They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic. Collar height square flange and an inner louver wildlife guard. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.

Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. Engineered and certified for both flat roof ventilation and steep slope ventilation the aura gravity ventilator is available for both residential and commercial buildings. Residential homes with flat roof vents make use of the boot vent. Having both will enable the cavity to breathe with cross ventilation.

The rubber boot conforms to the exact size and shape of the pipe to keep water from leaking in. All aluminum construction these intake roof vents are maintenance free and will not rust. The keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less. Ul certified and tested to withstand wind pressure speeds up to 200 mph.

Allows cool dry air to enter the attic. Flat roof ventilation should be accomplished when you have equal amounts of air exhaust with air intake.