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Ontario Fire Code

Encapsulation rating

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Encapsulation rating means the time in minutes that a material or assembly of materials will delay the ignition and combustion of encapsulated mass timber elements when it is exposed to fire under specified conditions of test and performance criteria. (“degré d’encapsulation”)

Related Articles:
  • Glossary: Encapsulated mass timber construction
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Ontario Fire Code - January 1st 2026