Thanks for the response, Jay J (so many j's!).
The house is on Va eastern shore (some extra humidity, but not Houston). I also had the boys put on a membrane and 30 year shingles.
Is a home cheepo vent good enough? or can you recommend a better manufacturer. What size opening would I need to vent 9X14, roof 4-12 pitch, approx 200 cu ft over ceiling?
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