If you have either ice dams or moisture buildup improve your attic ventilation.
Circulate air in attic.
Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed.
Solar fans are a joke.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
Chicken farmers use massive fans in the summer.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
You can use powered attic fans that attach to thermostats.
Begin by making sure your existing system works photos 1 and 3 plugging major air leaks into the attic photo 2 and correcting any other of the common causes of poor attic venting.
Attic ventilation requires a vast amonut of air moving through an attic space.
Vents come in various styles.
Most building codes require a ratio of 1 150 ventilation space to attic floor space.
Grab a flashlight and inspect your attic during the winter.
If you see dampness or frost you need better roof ventilation and some attic vents.
The attic vent will also help improve circulation in the attic.
Air flows in through the soffit vents and out through the roof vents.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
A sign of roof leaks from ice damming or other causes.
Don t be fooled by the claims.
Ventilation can be accomplished using various products and techniques.
For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.