Retrofit Attic Venting
It alleviates moisture in the winter and heat in the summer to extend roof membrane life.
Retrofit attic venting. The keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less. The keepa attic vent is used for ventilating attics and or plenum as a roof exhaust vent or as an air intake roof vent. Connect the two cuts. So a house with a 1 500 sq ft.
Next bore a 3 4 or 1 in dia. How to install soffit vents make two parallel lines. Retrofits are as easy as 1 2 3. Attic will need 10 sq.
Inside the attic behind existing gable and eave vents the matrix can be cut to size and fastened to the existing 1 4 screen. Basically because of the trusses we have to use blown in insulation instead of laying down fiberglass batts. The honeycomb matrix along with the screen mesh sold together can be used in a variety of retro fit applications. 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.
Most building codes require 1 sq. Model asf 12 rf has a 12 in. With v baffe s design you can quickly and easily retrofit cathedral and vaulted ceilings that would otherwise have been next to impossible. Of venting ideally about half placed high on the roof and half in the soffits.
In some circumstances you can have less but we recommend the 1 150 ratio. And due to the soffit venting system we need to retrofit rafter vents to ensure adequate air circulation in the attic. Of venting technically net free vent area or nfva for each 150 sq. Please feel free to contact us if you have any questions.
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. Start by using a chalk reel to snap two parallel lines down the center of the soffit. The aura solar attic fan retrofit will exhaust air continuously by using solar and wind power for optimum ventilation performance. If you do not know what rafter vent is here is a video.