Ductwork Insulation at Fire Damper
Insulation must be stopped at fire dampers to prevent fire spread through insulation.
Stop if
- For this fire damper, should insulation stop at the damper? And how far from the damper should insulation end?
Watch out
- Don't insulate through fire damper sleeves. Don't assume insulation can pass through rated assemblies.
Check
- Does the fire damper detail show insulation stopped at the damper?
- Is there a rated sleeve that extends beyond insulation?
Steps
- Does the fire damper detail show insulation stopped at the damper?
- Is there a rated sleeve that extends beyond insulation?
Say this to your foreman
For this fire damper, should insulation stop at the damper? And how far from the damper should insulation end?
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