Identifying A Rated Wall/Floor
Penetrating a rated barrier without a damper/firestop
Red / Stop And Verify2ndBatch 4
What This Helps With
Penetrating a rated barrier without a damper/firestop
Apprentice words: rated wall
Trade terms: rated wall, fire barrier, smoke barrier, life-safety plan
Check First
Life-safety plans and wall legend for ratings
What Not To Do
Penetrate a rated barrier without approval
What can go wrong: Cutting through a rated wall blind
Better Foreman Question
Is this a rated wall, and does it need a damper/firestop?
Verify With
Reference type: IMC
Source to verify: Life-safety drawings; IMC/NFPA; AHJ
Safe wording: RED ZONE. Confirm rating before penetrating.