Cleanroom Ductwork Hold Points
Insulation, Liner, Wrap & Vapor Barrier🚨 STOP / VERIFYControlled condition
Core Answer
Cleanroom ductwork has cleanliness, leakage, filtration, pressure cascade, and material controls.
What to Check First
- Confirm cleanliness level
- open-end protection
- seal class
- filtration
- access
- pressure cascade intent.
Ask Foreman
This is cleanroom duct. What cleanliness, sealing, and open-end protection requirements apply before we continue?
Do Not Do This
Do not leave duct open or drill/cut after cleaning without approved containment/re-clean.
Why This Matters
contamination, failed certification, owner rejection, full re-clean/retest
Verify against: project specs, owner cleanroom protocol, filtration submittals, commissioning plan.