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Home » Authors » John Nessen

John Nessen

John Nessen is the Product Manager for Quarrix Building Products, a roofing ventilation manufacturer, and an active member within the Asphalt Roofing Manufacturers Association’s (ARMA) Ventilation Task Force. For more information, visit www.asphaltroofing.org.
Articles

ARTICLES

short circuiting

Ventilation Short Circuiting: How Short Circuiting Happens and How to Correct It

John Nessen
December 8, 2014
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Short circuiting refers to the mixing of various types of exhaust vents in the same roof above a common attic.
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