Div. B › Part 9 › 9.26 › 9.26.7 — Asphalt Shingles on Slopes of 1 in 3 or Greater

9.26.7.3 — Head Lap

Copied!
(1) Shingles shall have a head lap of not less than 50 mm.
Disclaimer. This site provides general access to Ontario Building Code information for reference only. It is not an official source and may omit or summarize content. Always verify requirements with the current OBC and your Authority Having Jurisdiction (AHJ). The Ontario Building Code is Crown copyright © King’s Printer for Ontario. Terms of Use.