Open Duct End Protection
Open duct ends should be protected so trash, dust, water, and tools do not get inside before startup or inspection.
What This Helps With
Open duct ends should be protected so trash, dust, water, and tools do not get inside before startup or inspection.
Apprentice words: open duct cap, protect duct, duct end cover, debris in duct
Common problem: Duct is left open overnight or during other trades’ work and fills with debris.
Check First
What Not To Do
Do not leave open duct ends unprotected. Do not use tape that leaves heavy residue on finished surfaces.
What can go wrong: Duct is left open overnight or during other trades’ work and fills with debris.
Better Foreman Question
Do you want this duct end capped overnight or until the next section goes in?
Verify With
Source to verify: Project IAQ plan, good construction practice, foreman direction
Safe wording: Protection method depends on weather, liner, and project cleanup requirements.