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ConstructionMarch 2, 2026

OBC Water Closet Requirements Explained: Ontario Building Code Rules for Bathrooms (2026 Guide)

The obc water closet requirement is one of the most important yet misunderstood rules in residential bathroom design across Ontario. When we plan a new home, finish a basement, or renovate an existing washroom, this requirement quietly controls how much space we need around the toilet, how we route plumbing, and even how we frame…

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ConstructionMarch 2, 2026

Ontario Ceiling Height Standards: Everything You Need to Know in 2026

When we design homes across Ontario, one of the first technical questions we address is the Ontario Ceiling Height Standards. Whether we are working in Toronto, Mississauga, Ottawa, or smaller municipalities, Ontario Ceiling Height Standards directly affect how we plan layouts, structural framing, mechanical systems, and overall livability. In 2026, understanding Ontario Ceiling Height Standards…

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ConstructionFebruary 27, 2026

Architectural Design Implications of Part 3 vs Part 9 Buildings OBC

When we design residential projects in Ontario, one of the first technical questions we ask is whether the building falls under part 3 vs part 9 buildings OBC. This distinction under the Ontario Building Code (OBC) changes everything, structural systems, fire protection, spatial layout, material selection, and even how we approach basement underpinning structural requirements.

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ConstructionFebruary 24, 2026

What’s New For Windows And Guards In OBC 2024

The 2024 Ontario Building Code (OBC) brings meaningful changes to fall prevention and protection at windows — especially in dwelling units — and clearer rules for when glazing must act like a guard. Find some explanatory details about the changes in the 2024 OBC for windows and guards. Openable windows in dwellings now need child-fall protection when…

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ConstructionFebruary 20, 2026

What are the changes in the 2024 Ontario Building Code? Highlights 

Ontario announced a new 2024 Ontario Building Code (OBC). The changes prioritize public safety, housing affordability, sustainability, and climate resilience while streamlining processes for builders and municipalities. The new Building Code aligns with the National Building Code (NBC) while retaining provisions specific to Ontario’s needs, ensuring consistency across the province. The 2024 OBC has been…

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ConstructionFebruary 20, 2026

Requirements for a Building Permit Application in Vaughan

If you’re planning a renovation, addition, new build, basement finishing, deck, or secondary suite in Vaughan, this guide breaks down what the City asks for—and how to submit a complete application through the Online Permitting Portal / ePlans. For a smooth building permit submission, Rigid Frame is here to help you and apply for a permit on your behalf. 1) ‎Do you…

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ConstructionFebruary 20, 2026

Requirements for a Building Permit Application in Markham

This guide summarizes what you need to submit a complete building permit application in the City of Markham. It covers the online ePLAN submission process, core forms and drawings, zoning and other applicable-law approvals (heritage, trees, conservation authority), fee payments, provincial review timelines, and post-issuance inspections. 1) ‎Submit online via ePLAN All building permit applications are…

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ConstructionFebruary 20, 2026

Requirements for a Building Permit Application in Toronto

When applying for a building permit in Toronto, you must provide specific documentation, forms, and fees to allow the City to review your project for compliance with the Ontario Building Code, zoning by-laws, and other applicable laws. The City outlines this process through project‑specific Building Permit Application Guides. 1. Choose the Correct Application Guide The City of Toronto requires…

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ConstructionJanuary 14, 2026

Ontario Garage Conversion Structural Drawings | Engineer-Ready Ideas

Have you ever looked at your garage and wondered if it could be something more? Maybe a cozy guest suite, a sleek home office, or even a legal rental unit? In Ontario, garage conversions are no longer just a trend — they’re a smart response to a growing housing crunch. But before you tear down…

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ConstructionJanuary 6, 2026

Toronto Second Story Addition Structural Drawings: A Complete Residential Design Guide

Want to get some Second Story Addition Structural Drawings?  When it comes to expanding your home in Toronto, a second-story addition is one of the most popular options for homeowners. But before any hammer swings, there’s one critical step you can’t afford to skip, second-story addition structural drawings. We can’t stress this enough: no matter…

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