Determining how many intake and exhaust vents are needed to properly ventilate an attic involves some math. Or you can use our handy NFA Calculator. In this episode of Airing it Out with AirVent, the calculator’s creator shares how it works, the benefits of keeping it handy, and more. 

A special thank you to our podcast guest Justin Ache, Marketing Specialist, Gibraltar Building Products, for sharing his expertise for this podcast episode! 

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