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How much ventilation does my roof need?
It depends on the attic space of your roofing. A bigger attic space that you have will require much more ventilation to avoid damage on your roof and also to increase energy efficiency. In order to have an idea of the ventilation of your roof, construction standards is that there should at least be a one square foot of exhaust ventilation required for every 300 square feet of attic space.
--- permission must be obtained from author Rae Fakner to re-publish ---
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