Recommendation please: See photos, I have a 1969 colonial in NJ. One contractor wants to close my passive roof vents, and just keep gable vents and attic fan. Another wants to install cobra snow country ridge vent, close passive & gable vents and keep attic fan. Which would be be the best for...
house has a finished attic.
1shingles 2roof deck 3insulation 4drywall
how does the air move from the soffit to the ridge
if the rafters are 2x4 that leaves 3 1/2 in stuffed with insulation?
how can air move up and out......
how do i vent?