Balancing act: Ensuring good attic ventilation
GCP Applied Technologies
OCTOBER 22, 2018
It's common for a contractor to add vent holes to an under-ventilated attic. You want a balance between intake and exhaust, but if that's not possible, then it's better to have more intake vents. Another common problem is airflow short-circuiting, which is caused by using different types of vents. Roofing underlayments.
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