TinnerFlow™2nd YearMeasuring & Layout
Add insulation thickness to all four sides of the duct when checking clearances to structure, pipe, and conduit. Standard 1.5" duct wrap adds 3" to width…
Add insulation thickness to all four sides of the duct when checking clearances to structure, pipe, and conduit. Standard 1.5" duct wrap adds 3" to width and height — verify your opening fits before hanging.
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.