Strap Hangers Vs Trapeze
Wrong method for size/weight; undersized strap
Green / Field Check2ndBatch 4
What This Helps With
Wrong method for size/weight; undersized strap
Apprentice words: strap hanger
Trade terms: strap hanger, trapeze hanger, allthread, strut
Check First
Method and materials per duct size/weight and schedule
What Not To Do
Undersize strap iron
What can go wrong: Strapping a heavy/wide duct that needs trapeze
Better Foreman Question
Strap or trapeze for this size, and what iron?
Verify With
Reference type: SMACNA
Source to verify: SMACNA; spec
Safe wording: Method per size/weight.