The code, in your back pocket.
Ontario · 2024 OBC
Your jobsite companion for Ontario builders & DIYers.
Get plain-English answers to Ontario Building Code questions, look up span tables, watch curated DIY how-to videos, and study for Red Seal trade exams — all in one app.
- • OBC Q&A — searchable answers with code references
- • Span Tables — floor, ceiling, rafter, beam
- • DIY Videos — curated home projects
- • Trade Exams — practice quizzes & Red Seal mocks
Span Tables
Floor, ceiling, rafter, truss, beam — quick reference
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See allAlways verify with your local municipality. References are summaries, not legal advice.