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Question DetailsAsked on 10/11/2015

Are most roofing contractors aware that roofs require intake vents (soffit or smart vents).

Exhaust vents can not work without intake vents but I don't think most roofing contractors know this. Not having
proper attic ventilation can void your shingle warranty.

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1 Answer


Probably most are, but yes there are some out there who do not, ones who block off eave vents on purpose, ones who recommend spray foam insulating the underside of sheathing in a ventilated attic, even those who put on ridge vents without cutting a slot through the roof sheathing and water barrier under it - or who cut the slot and then put the water barrier continuous over the top of the slot. Or the other extreme - those who put in ridge vents and eave Easy Vents with their skil saw set to maximum depth, cutting half way through the rafters too !

There has been a lot of discussion in the Home > Roofing and Home > Insulation links in Browse Projects, at lower left, on these issues.

But no matter what the system and how simple it is or how good an instruction sheet the manufacturer includes with the product (whoa - you mean you are supposed to read the instruction sheet ? I thought that was just there to use as a coffee cup coaster !), there are those who will slough off, figure they know better how to do it (even though they have never done it before), or skimp because they are behind on schedule or budget.

Answered 4 years ago by LCD

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