Spatial Separation Calculator

Unprotected and glazed opening limits, construction and cladding requirements for exposing building faces — Subsection 3.2.3., 9.10.14. and 9.10.15.

Professional Responsibility & Disclaimer

This tool is a design aid only. It does not certify Ontario Building Code compliance, provide legal advice, or give an official Code interpretation, and it is not affiliated with or endorsed by any government authority. Every result must be independently verified against the current Ontario Building Code (O. Reg. 163/24, as amended) by a qualified design professional. The architect or designer of record remains solely responsible for Code compliance and for all information used in any permit application or construction. Provided "as is," without warranty of any kind, and used entirely at your own risk.