Vapor Barrier Patch At Hanger Penetrations
Hangers, rods, and straps can punch through the insulation vapor barrier and create condensation points if not patched properly.
What This Helps With
Hangers, rods, and straps can punch through the insulation vapor barrier and create condensation points if not patched properly.
Apprentice words: vapor barrier around hanger, insulation patch at rod, FSK tear, condensation at hanger
Common problem: Insulation is wrapped around hangers but the facing is torn or left open around rods/straps.
Check First
What Not To Do
Do not leave torn vapor barrier at hangers. Do not compress insulation so tightly it loses thickness.
What can go wrong: Insulation is wrapped around hangers but the facing is torn or left open around rods/straps.
Better Foreman Question
How do you want vapor barrier patched around this hanger/rod penetration?
Verify With
Source to verify: Insulation manufacturer instructions, project spec
Safe wording: Patch method depends on insulation type and condensation risk.