Black-Iron Duct Basics Before Fabrication or Install
Confirm the duct's listed or code-driven construction, weld, access, clearance, slope, and inspection requirements before treating black iron like ordinary exhaust duct.
Stop if This black-iron run serves [system]. Which approved construction, weld, access, and clearance details control before we fabricate or set it? Watch out Do not substitute ordinary duct methods, intermittent welds, unapproved access doors, or field changes in a grease or hazardous exhaust system. Check Identify the exact exhaust system Review current approved drawings and welding requirements Confirm material thickness and joint method Locate cleanouts and access Verify clearance or enclosure requirements before install Steps Identify the exact exhaust system Review current approved drawings and welding requirements Confirm material thickness and joint method Locate cleanouts and access Verify clearance or enclosure requirements before install Say this to your foreman This black-iron run serves [system]. Which approved construction, weld, access, and clearance details control before we fabricate or set it?
Copy this More in Grease Duct, Kitchen & Industrial Exhaust