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National Codes of Canada · 2025

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National Building Code

How buildings are designed and built — structure, fire-resistance of assemblies, accessibility, energy efficiency.

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National Fire Code

Fire safety in buildings and facilities — prevention, sprinklers and alarms, life safety, hazardous materials.

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National Plumbing Code

Water systems — potable supply, drainage and venting, plumbing fixtures, sanitation requirements.

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⌕Search the code…fire widthPart 3
9.24.2.4fire separation… width of the exit…
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⌕exit stairPart 3
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Part 3Fire Protection
Part 4Structural Design
Part 9Housing & Small Bldgs
3.4.3.2Exit stair width… (Part 3)
3.4.4.3…exit stair enclosure… (Part 3)
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⌕9.36.2.6Suggestion: Part 9
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9.36.2.9Effective thermal resistance of assemblies…

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3.2.2.18. Automatic Sprinkler System Required
(1) Except as permitted by Sentence (2), an automatic sprinkler system conforming to Articles 3.2.4.7., 3.2.4.8. and 3.2.5.12. shall be installed throughout a building regulated by 3.2.2.20.
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3.2.4.7 3.2.4.8 3.2.5.12 3.2.2.20
3.2.4.7. — Design and construction of automatic sprinkler systems…

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9.36.2.6
Thermal resistance of assemblies above grade and below grade shall conform to…
9.36.2.9
Effective thermal resistance of building assemblies…

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Division B — Part 3 ☆
3.2.2.18.Automatic sprinkler systems
3.1.9.1.Firestops and fire separations
5.2.3.6.Portable fire extinguishers
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3.2.2.18.Automatic sprinkler…
3.1.9.1.Firestops…
5.2.3.6.Portable extinguishers…

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National Building Code

Official NBC 2025 publication from the NRC.

Official NBC source

National Fire Code

Official NFC 2025 publication from the NRC.

Official NFC source

National Plumbing Code

Official NPC 2025 publication from the NRC.

Official NPC source
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