90% of homes in north ameri...more
90% of homes in north america are inadequately ventilated • Attics need effective ventilation to keep homes cool • All manufacturers require attic ventilation • Intake and ridge vents working together are best• Refer to printed literature for exact specificationsless
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Category: How To
Tags:roof vent ventilation cobra gaf ridge install
Added: May 11, 2009 (6 months, 1 week ago)
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