Impact of Attic Ventilation on Shingle Life

Impact of Attic Ventilation on Shingle Life


By Paul Scelsi, Air Vent Inc., published in Roofing Contractor Magazine, April 2021.


Among the many reasons to give residential attics a properly balanced ventilation system of intake vents (in the soffit or low on the roof) and exhaust vents (at or near the roof peak), is the impact it can have on the life of a shingle....We polled roofing contractors and asked: “In your local field experience, what percentage of shingle life reduction do you see due to incorrect or zero attic ventilation?” The results: 24% shingle service life reduction.


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Listen to our Podcast episode: Improper Attic Ventilation Reduces Shingle Life 24% where we discuss the benefits of balanced attic ventilation.

 Listen to our Podcast episode: Most Homes Have Incorrect Attic Ventilation. So What? where we discuss the potential consequences of improperly ventilated attics and explain why it matters.




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