Do ridge vents really work?

Attic Ventilation
November 1, 2012 at 12:00 a.m.

Ridge vents have been gaining a lot of popularity in recent years but have been around for a long time.

It is based on hot air escaping from the highest point of your attic. That’s where hot air wants to go, so that is a great idea.

To have the ridge vents work well you must have a properly balanced system. Intake and exhaust at a 50% ratio is the goal. The ridge vent will perform like it was designed drawing the hot air up and out of the attic and fresh air being pulled in. This will keep a cooler attic and your living space below saving energy not running the air conditioner as much.

The ridge vent is designed to breathe through a trough cut out of the roof deck but cover the shingles to make a completely watertight system.


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November 19, 2012
Hi Bob, I have been a state-licensed roofing contractor in California for the past 42 years. We specialize in troubleshooting and repair for community associations/condos. I came across by lucky accident. Not only am I impressed, but comple

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