Retrofit Attic Venting

Attic will need 10 sq.

Retrofit attic venting. The honeycomb matrix along with the screen mesh sold together can be used in a variety of retro fit applications. Of venting ideally about half placed high on the roof and half in the soffits. Start by using a chalk reel to snap two parallel lines down the center of the soffit. It alleviates moisture in the winter and heat in the summer to extend roof membrane life.

If you do not know what rafter vent is here is a video. With v baffe s design you can quickly and easily retrofit cathedral and vaulted ceilings that would otherwise have been next to impossible. Model asf 12 rf has a 12 in. Please feel free to contact us if you have any questions.

Of venting technically net free vent area or nfva for each 150 sq. 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 baffles for cathedral and vaulted ceiling ventilation for purchase information click here attic ventilation for cathedral and vaulted ceilings require attic baffle vents. Basically because of the trusses we have to use blown in insulation instead of laying down fiberglass batts.

In some circumstances you can have less but we recommend the 1 150 ratio. Next bore a 3 4 or 1 in dia. Inside the attic behind existing gable and eave vents the matrix can be cut to size and fastened to the existing 1 4 screen. Hole through the soffit right between the lines and measure the.

How to install soffit vents make two parallel lines. Retrofits are as easy as 1 2 3. And due to the soffit venting system we need to retrofit rafter vents to ensure adequate air circulation in the attic. The keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less.

Intake vents located at the lowest part of the roof under the eaves allow cool. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Connect the two cuts. So a house with a 1 500 sq ft.