Ventilation

Hot air out (exhaust)

Hot, wet air leaves your attic high, near the ridge. It works best with one type of exhaust, fed by plenty of fresh air coming in low at the eaves.

Tap the photo to flip it. The other side builds it one layer at a time.

Found
Gable vents
Install

In the presentation, the front shows the company's own photo from the Explainers admin page, and the back plays this build-up.