Quick question, do i need gable ventilation if i’m putting in a ridge vent? It’s a small house, about 30 X 25. Built back in
the early 40’s. Or is more ventilation always better? I prefer the uncluttered look without the gable vent.
thanks
mck
Quick question, do i need gable ventilation if i’m putting in a ridge vent? It’s a small house, about 30 X 25. Built back in
the early 40’s. Or is more ventilation always better? I prefer the uncluttered look without the gable vent.
thanks
mck
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Replies
is your soffit vented?
yes the soffit is vented
Note that "adequate" means
Note that "adequate" means more than a vent every 8 feet. If you don't have continuous vent you should have a vent every 4 feet or so. The number of square inches of soffit vent should be roughly equal (within a factor of 2) the square inches of ridge vent.
And the soffit vents need to be installed in a way that prevents insulation from blocking them.
The "usual recommendation" is
The "usual recommendation" is that, with ridge venting, you install adequate soffet venting and block off any gable venting.
In fact, the building science guys say you shouldn't have gable vents if you also have ridge and soffit vents. Also, it's important that you have at least as much soffit venting area as you do ridge vent. If you have more ridge vent than the soffit vents can make up, the attic can end up depressurized, which can suck conditioned air from the house.