Calculation for attic ventilation?

08-14-2012, 08:43 PM	#1
Venter Member   Join Date: Aug 2012 Posts: 48	Calculation for attic ventilation? How do I calculate the proper ventilation for an attic? Is there an online calculator?

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08-14-2012, 10:56 PM	#2
joecaption Member   Join Date: Nov 2011 Location: Hartfield VA Posts: 18,253	Calculation for attic ventilation? http://www.gaf.com/roofing/residenti...alculator.aspx Why what's the issue?