Intake vs exhaust
Soffit vents pull cool air in; ridge or gable vents push hot air out. They have to be balanced for either one to work.
Resource Guide
Attic Ventilation Guide
Ventilation is half the equation. Skip it and even premium insulation underperforms.
Back to Attic Ventilation
Common mistakes
Insulation jammed against soffit vents, painted-over vents, and exhaust without intake. All easy to fix.
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