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NMFC 36550 - Roof Flashing & Flanges | Class N/A

Article ID
36550
Article 36550: roof flashing and flanges
Freight Group
BUILDING METALWORK GROUP
Building Metalwork Group roofing components
Class Range
N/A 0 classification
Class N/A; see NMFC Note 35932
Hazardous
No
Non-hazardous metal roofing accessories

Classification Details

NMFC Description Class
36550.00 Flashing, roof, Roof Flanges or Rainproofs, iron, steel or tin plate, or iron, steel or tin plate and lead combined, see Note, item 35932:

How to Determine Your Class

To find the correct freight class for your shipment:

  1. Bundle sheet flashing flat on long pallets or skids; interleave with paper or film, add edge protectors, and band securely to prevent bending and sharp-edge damage.
  2. For roof flanges and rainproofs, nest metal boots where possible, bag gaskets or collars separately, and carton or crate to stop abrasion during LTL handling.
  3. Add moisture control: use VCI paper for steel or tinplate and isolate any lead-lined pieces with plastic to avoid staining and galvanic reaction in humid transit.
  4. Mark lengths over 8 ft as long freight, apply “Do Not Stack” and “Sharp Edges” labels, and use top boards so forklift tines don’t crease thin metal.

Note: All classifications are subject to Item 170. Verify with official NMFC publications for the most current requirements.

Business Value

  • Correct NMFC reference for roof flashing (see Note item 35932) reduces reclass fees and invoice disputes.
  • Flat-packing, nesting, and proper banding lower cube and oversize surcharges, improving LTL rate outcomes.
  • Moisture and edge protection cut claims on scuffed tinplate or deformed flanges, lowering total landed cost.
  • Non-hazardous classification broadens carrier options and avoids hazmat fees for faster, simpler routing.