You Have a Hole in Your Ceiling The Size of a Basketball

If the crack is in your ceiling hot air in the attic can draw/suck cold conditioned air out. It happens through a natural principle of science call convection.
Gary N Smith, SafeHome Inspections
"Experience you can trust, inspections you can rely on."
If the crack is in your ceiling hot air in the attic can draw/suck cold conditioned air out. It happens through a natural principle of science call convection.
Net free venting requirements for residential construction states that we should provide a “balanced” air flow for attic ventilation. 50% of the air needed to cool your attic should enter at the edge of the roof…down near the windows. 50% of the required openings should be as high as
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