• 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.

attic ventilation

  1. B

    Unconditioned Roof Cavity

    Is it required to ventilate an enclosed, uninsulated, roof covering an extrior porch? If so, is there a required ratio (free-air vent opening vs. roof area) for this type of roof?
Back
Top