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Ontario Building Explained

Practical explanations of Ontario Building Code, permits, and inspections

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Ontario Building Explained

Practical explanations of Ontario Building Code, permits, and inspections

  • Building Inspections

Top Plate Splice Not Properly Supported — A Common Framing Deficiency

Wall framing relies on continuity to properly transfer loads from the roof and floors down to the foundation. One common framing deficiency observed during inspection is a top plate splice occurring between studs without proper staggering or approved tying. Although…

Read MoreTop Plate Splice Not Properly Supported — A Common Framing Deficiency
  • February 17, 2026
  • Building Inspections

Why “Close Enough” Framing Fails Inspection in Ontario

One of the most common framing deficiencies identified during inspection is not caused by poor workmanship, but by partial compliance. Structural framing often looks solid on site, even when key alignment or bearing requirements are not fully met. Beams that…

Read MoreWhy “Close Enough” Framing Fails Inspection in Ontario
  • February 5, 2026
  • Building Inspections

Why “Close Enough” Isn’t Code: The Deck Post Alignment Mistake That Fails Inspection

Deck construction in Ontario often begins with a properly installed foundation, such as helical piles or concrete footings. However, the long-term performance of the deck depends just as much on how the wood posts are connected to that foundation. A…

Read MoreWhy “Close Enough” Isn’t Code: The Deck Post Alignment Mistake That Fails Inspection
  • January 26, 2026
  • Building Inspections

The S-Trap Plumbing Mistake That Always Fails Inspection in Ontario

If your sink drain drops straight down immediately after the trap, you likely have an S-trap — and in Ontario, that is a guaranteed inspection failure. This issue is extremely common in DIY work and older renovations, and it often…

Read MoreThe S-Trap Plumbing Mistake That Always Fails Inspection in Ontario
  • January 26, 2026
  • Building Inspections

Insufficient Siding Clearance: Why It Fails Inspection

Exterior cladding must be installed with adequate clearance above finished ground to protect the wall assembly from moisture exposure, snow buildup, splash-back, and premature deterioration. One of the most common exterior deficiencies identified at final inspection occurs when siding is…

Read MoreInsufficient Siding Clearance: Why It Fails Inspection
  • January 20, 2026
  • Building Inspections

Can You Get Occupancy With Unfinished Rooms in Ontario?

Homeowners often ask the same question near the end of a build: “The house is almost done. One or two rooms aren’t finished. Can we move in?” In Ontario, the answer is sometimes — depending on what is unfinished. The…

Read MoreCan You Get Occupancy With Unfinished Rooms in Ontario?
  • January 21, 2026
  • Building Permits

What Makes a Basement Legal in Ontario? Understanding Secondary Suites (2024 Update)

Many homeowners finish basements expecting them to function as rental units or in-law suites. However, a finished basement is not automatically a legal dwelling unit. In Ontario, a legal basement apartment is referred to as a Secondary Suite, and it…

Read MoreWhat Makes a Basement Legal in Ontario? Understanding Secondary Suites (2024 Update)
  • January 17, 2026
  • Building Permits

5 Renovations in Ontario That Secretly Require a Building Permit

Many homeowners assume building permits are only required for major additions or new houses. In reality, some of the most common home renovations in Ontario require permits — even when the work looks minor or purely interior. These projects often…

Read More5 Renovations in Ontario That Secretly Require a Building Permit
  • January 17, 2026
  • Building Permits

Do I Need a Building Permit in Ontario? What Homeowners Get Wrong

One of the most common questions homeowners ask before starting work is simple: “Do I need a building permit for this?” In Ontario, many projects require a permit even when the work looks minor. Starting construction without one can result…

Read MoreDo I Need a Building Permit in Ontario? What Homeowners Get Wrong
  • January 17, 2026
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