GBA Logo horizontal- lakesideca.info Facebook- lakesideca.info LinkedIn- lakesideca.info Email- lakesideca.info Pinterest- lakesideca.info Twitter- lakesideca.info Instagram- lakesideca.info YouTube Icon- lakesideca.info Navigation Search Icon- lakesideca.info Main Search Icon- lakesideca.info Video Play Icon- lakesideca.info Audio Play Icon- lakesideca.info Headphones Icon- lakesideca.info Plus Icon- lakesideca.info Minus Icon- lakesideca.info Check Icon- lakesideca.info Print Icon- lakesideca.info Picture icon- lakesideca.info Single Arrow Icon- lakesideca.info Double Arrow Icon- lakesideca.info Hamburger Icon- lakesideca.info TV Icon- lakesideca.info Close Icon- lakesideca.info Sorted- lakesideca.info Hamburger/Search Icon- lakesideca.info

Community and Q&A

What is “plenty of soffit vents”?

Marsha Henry | Posted in GBA Pro Help on

I think I understand “Lstiburek’s Rules for Venting Roofs”. I need to contract for insulation and a new roof on a property (1950’s duplex) in the Pacific Northwest. The building has soffit vents – about 3 (approx 18” X 6”) per side, so 12 vents and NO other vents up top (has been like that for years and no moisture problems in the attic which does have insulation). Should I make the soffit vents continuous? Or, since it has been working well for all these years maybe just add a few more soffit vents and a ridge vent at the top (not to exceed in size the area of the soffit vents)? Would love some advice? I will be having all insulation removed, everything sealed, and new insulation installed.

GBA Prime

Join the leading community of building science experts

Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field.

Replies

  1. User avatar GBA Editor
    Martin Holladay | | #1

    Marsha,
    You'll get varying advice on this question. Here's my answer: if there are no signs of any moisture problems in your attic, you're probably fine.

    Most moisture enters the attic through air leaks in a home's ceiling. The best way to limit attic moisture problems is to plug air leaks in the ceiling. In previous decades, many experts falsely claimed that attic ventilation played an essential role in keeping attics dry. However, the research to back this up is lacking.

    In any case, it sounds like you don't have a problem.

Log in or create an account to post an answer.

Community

Recent Questions and Replies

  • |
  • |
  • |
  • |
www.xn----7sbajornvhu8c.com.ua

https://medicaments-24.com