Retrofit Attic Venting

The keepa attic vent is used for ventilating attics and or plenum as a roof exhaust vent or as an air intake roof vent.

Retrofit attic venting.

The aura gravity vent retrofit does not need to spin in order to provide excellent ventilation. In some circumstances you can have less but we recommend the 1 150 ratio. Of venting ideally about half placed high on the roof and half in the soffits. The aura gravity ventilator will last as long as the roof itself and will always work like new unlike the worn out roof turbines they replace.

Attic will need 10 sq. Model asf 12 rf has a 12 in. It alleviates moisture in the winter and heat in the summer to extend roof membrane life. Retrofit attic baffles for cathedral and vaulted ceiling ventilation for purchase information click here attic ventilation for cathedral and vaulted ceilings require attic baffle vents.

Dia throat opening and a 10 watt solar panel providing energy to 4 ec fans on sunny days to increase the cfm cubic feet per minute of 740 at 0 1 sp of air flow performance. Of venting technically net free vent area or nfva for each 150 sq. So a house with a 1 500 sq ft. Inside the attic behind existing gable and eave vents the matrix can be cut to size and fastened to the existing 1 4 screen.

Please feel free to contact us if you have any questions. Most building codes require 1 sq. And due to the soffit venting system we need to retrofit rafter vents to ensure adequate air circulation in the attic. The aura solar attic fan retrofit will exhaust air continuously by using solar and wind power for optimum ventilation performance.

Retrofits are as easy as 1 2 3. Basically because of the trusses we have to use blown in insulation instead of laying down fiberglass batts. They re most effective when used in conjunction with a continuous ridge vent. The aura gravity ventilator pulls hot air with its long louvers utilizing the venturi effect.

These vertical louvers also prevent rain and snow from entering. With v baffe s design you can quickly and easily retrofit cathedral and vaulted ceilings that would otherwise have been next to impossible. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave.

The keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less. Soffit vents come in several sizes and styles including small round discs and rectangular grilles.