Attic Ventilation Archives - GreenBuildingAdvisor

Is Venting an Unconditioned Attic Necessary?

Air-sealing and insulation can go a long way toward addressing the issues with attics that are outside the conditioned space

Building Science

A room above an unconditioned garage and below a vented attic in a cold climate requires special considerations

Clearing up the ongoing confusion around the usefulness (or futility) of attic fans

A retrofit to correct blocked rafter cavities that inhibit proper ventilation

Q&A Spotlight

Is a power vent in the attic helping or hindering?

In a cool marine climate, vented attics often have mold on the underside of the roof sheathing

Guest Blogs

Site-made ventilation chutes made from OSB look like a better bet than commercially available baffles

Q&A Spotlight

Should a rainscreen be integrated with soffit vents or vented only on the bottom?

Let’s clean this mess up once and for all

If you want sturdy baffles that create deep ventilation channels, you’ll probably have to make your own