Q: I live in a two-story, single-family home with an unfinished attic above the second story. I am reroofing the house and have a question about roof venting. Most houses in the neighborhood have ...

Roof ventilation is a system designed to manage ... the home's building envelope is completely sealed or the living space is sealed off from the attic space with a vapor barrier like spray foam ...

In the attic space, we provide vents, what we call air intake, at the lowest portion of the space. Preferably this is the underside of the roof eave and overhang. We install exhaust vents at or ...