TinnerFlow logoTinnerFlow™
Mistake & recovery · #108

Not cleaning the rolls on a slip roll machine, causing marks on finished duct

3rd YearTools & Equipment

Wipe the rolls clean before every use with a rag and solvent. Even small debris embeds into soft metal and creates marks that are visible on finished arch…

Search Field RescueAsk ForemanOpen in mistake guide

Safer field move

Wipe the rolls clean before every use with a rag and solvent. Even small debris embeds into soft metal and creates marks that are visible on finished architectural duct. Inspect and clean the rolls as part of your daily setup.

Ask Foreman

Can you verify this before I keep going? I’m looking at: Not cleaning the rolls on a slip roll machine, causing marks on finished duct. What’s the approved correction for this job?

Do not

Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.

Related mistakes

Related apprentice questions