• Welcome to The Building Code Forum

    Your premier resource for building code knowledge.

    This forum remains free to the public thanks to the generous support of our Sawhorse Members and Corporate Sponsors. Their contributions help keep this community thriving and accessible.

    Want enhanced access to expert discussions and exclusive features? Learn more about the benefits here.

    Ready to upgrade? Log in and upgrade now.

soffit vents

  1. S

    Are holes in perforated soffit vinyl panels counted as vent openings?

    This is from Ontario building code: ------------------------------------------------------------------------------------------------------------------------------------------ 9.19.1.2. Vent Requirements .... (3) Required vents are permitted to be roof type, eave type, gable-end type or any...
  2. Paul Legan

    Rated Projection, soffit vents - 302.1(1)

    2015 IRC - Per 302.1(1) I must rate the underside of a projection to 1-hour, as my roof overhang is within the fire separation distance. I don't understand this: Exception B states I don't have to rate it at all if there are no gable vent openings. So wait, if I DO have gable vent openings...
Back
Top