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03-11-09, 06:18 AM
Replies: 9
Views: 40,793
Posted By Bud9051

A couple of comments and these are from memory so...

A couple of comments and these are from memory so please correct if wrong. As I remember the ratio is 1 to 300. 1 to 150 applies when all of the venting is above the soffit i.e. no soffit vents.
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