SmartVent is a tapered, under-shingle ventilation product designed for installation under any course of shingle to provide continuous ventilation wherecircle it is needed. It allows cool air to flow freely through 1-inch roof decking slit providing more than adequate ventilation wherever it is installed. Mostly used for intake ventilation for homes with little to no soffit overhang, SmartVent has been out since 1999 and is listed with the International Code Council (ESR-2484). For more information, visit