How to Miter SmartVent on a Transitional Roof

When installing SmartVent on a transitional roof you should use the following steps to achieve the best results for both curb appeal and ventilation.

Cut 45° angle with razor knife starting from the tapered edge working towards the Fabric exterior

 

Take another SmartVent and miter like this and then.....
Install the fabric that is in the box and wrap it over the vent. It is now tapered to blend into the roof!

SmartVent is a tapered, under shingle plastic product designed for installation along the soffit edge of the roof or the facing edge of dormer rakes and goes virtually unnoticed. It allows air to flow freely through the 1" roof decking slit providing more than adequate soffit ventilation to maximize ridge vent effectiveness. This is extremely important since most ridge vent products require an equal amount of ventilation at the soffit in order to work properly. SmartVent, when used at both soffits, has a total NFA rating of 18 sq. in. (or 9 sq. in. on each side of a standard gable roof).

Click here for SmartVent Specifications

Most houses with ridge vents do not have the proper soffit ventilation required because attic insulation blocks the soffit vents. SmartVent allows cooler air to enter under the shingle, through the 1" roof slit and out the ridge vent providing superior air flow and attic cooling.

Click here for an expanding list of SmartVent Dealers. If no dealer is located near you please give us a call at 1-800-622-4455 and we will be happy to locate a dealer for you.