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How much ventilation does the area under my roof need to have to keep the undersides of the wood dry?

April 26, 2017area dry roof undersides Ventilation wood

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How much ventilation does the area under my roof need to have to keep the undersides of the wood dry?

1 Answer

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10 Posted

We recommend keeping the ratio of net-free ventilation area to attic area less than 1:150. We also recommend that you install a thermostatically controlled attic fan. There are very attractive ridge venting systems available, as well.