Active Attic Ventilation

Help remove excess heat and moisture to protect your roof from premature deterioration.

Active attic ventilation. Since february 1997 active ventilation products avp has been a supplier of roof vents roof jacks and whole house fans for fema federal emergency management agency housing hud united states department of housing and urban development housing and for those in the modular commercial and residential markets. Set your store to see local availability add to cart. Commercial attic vents the keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less. Power roof vents 28 static roof vents 54 brand.

Active ventilation 12 in. Lots of soffit venting. It is also ok if you have a little more air coming in than you do going out ie. That said air resistance and interference such as vent grates reduces the area of true ventilation.

Honestly any type of holes in the top of the attic will work. Avp supplies roof vents attic fans roof jacks roof curbs and more for construction companies building material distributors and homeowners as well. See the benefits of attic ventilation. A good goal with attic ventilation is to have a balanced amount of air coming in to the attic as you have of air leaving the attic.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Roofing attic ventilation. A new roof is more than just shingles. It alleviates moisture in the winter and heat in the summer to extend roof membrane life.

When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed. The keepa attic vent is used for ventilating attics and or plenum as a roof exhaust vent or as an air intake roof vent.

Dia aluminum static keepa vent in green model kv 12 gr. Active ventilation 800 cfm aluminum aluminum electric powered attic fan with fixed solar panels model af 12 c8 230 00 230 00. Intake vents located at the lowest part of the roof under the eaves allow cool. Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation.

In other words the entire vent opening doesn t count as vented space. Active ventilation 800 cfm aluminum aluminum electric powered attic fan with fixed solar panels model af 12 c8 230 00 230 00.