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Ridge vent
A ridge vent is a vent at the peak of the roof that lets hot air escape from the attic.
Why it matters
Good attic ventilation reduces moisture buildup and helps prevent ice dams.
Where people get this wrong
A ridge vent needs soffit vents to work well. Ventilation does not replace air sealing.
Real-world example
In summer the upstairs feels hot and the attic smells like a sauna. A balanced ventilation setup helps the attic breathe.
Where this hits your build
This affects comfort, energy costs, and indoor air quality. It gets locked behind drywall, so decisions here need to be right before finishing starts.
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