Baffles without a ridge vent

Old 08-03-14, 06:58 AM
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Join Date: Jan 2005
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Baffles without a ridge vent

We are considering having some baffles installed, and the description on the Lowe's website says they allow air to flow between the soffits and the ridge vent. We don't have a ridge vent, but an attic fan. Is it still okay to use the baffles?

Thanks in advance!
Old 08-03-14, 07:24 AM
Join Date: Oct 2008
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The baffles down into the soffits are still necessary and desirable as the low vents provide the air intake points. Eventually it would still be good to have the ridge vent installed as the attic fan needs a lot of air. That actually may be the reason the two fans died in the first place, they were starved for air. They are cooled by the air flow over the motor (unless they are belt driven).

In the winter time you may not want to run the fans, but the attic still needs ventilation to remove moisture escaping from the heated house, it prevents condensation on the bottom of a cold roof.

Baffles provide a path for air along the bottom side of the roof. But there is another part that should be added, a wind washing block, illustrated at the bottom of this link:
Par/pac system of insulating walls for new construction homes in Racine and Kenosha | Racine Home Insulators, LLC


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