Freight Class for Architectural Windows & Sashes
Glazed residential and commercial window units, vinyl sashes, and aluminum frame windows. Class 150 to 200 under NMFC 34700.
NMFC Classification Data
| Parameter | Value |
|---|---|
| NMFC Item Code | 34700 |
| Freight Class | 150 to 200 |
| Typical Density (PCF) | 4–6 PCF |
| Category / Silo | Construction Materials |
Regulatory Authority Benchmark:
Official commodity classification codes and density scales are administered by the National Motor Freight Traffic Association (NMFTA). Packaging standards adhere to ISTA (International Safe Transit Association) preshipment test protocols to prevent transit re-weigh penalties.
Visual Classification Analysis
This chart visualizes the NMFC density spectrum. The blue bar indicates the standard class assigned to Architectural Windows & Sashes based on its typical shipping density.
Key Shipping Risks for Architectural Windows & Sashes
Be aware of these 4 common risks when booking LTL freight.
- !Architectural Windows & Sashes: Thermal pane glass shattering from trailer flex and road vibration
- !Architectural Windows & Sashes: Distortion and cracking of vinyl window frames under top loading
- !Architectural Windows & Sashes: Argon gas seal failure from continuous shock
- !Architectural Windows & Sashes: Severe carrier reclassification if shipper fails to specify glazed status
Packaging Requirements (4 Steps)
Follow these steps exactly to avoid reclassification fees and damage claims.
- 1For safe Architectural Windows & Sashes transport: Must be crated on edge on specialized wooden glass A-frames or skids
- 2For safe Architectural Windows & Sashes transport: Never lay glazed window units flat during LTL transit
- 3For safe Architectural Windows & Sashes transport: High density foam corner blocks and perimeter corrugated wrapping
- 4For safe Architectural Windows & Sashes transport: Prominent "GLASS - HANDLE WITH CARE - DO NOT LAY FLAT" placards
Calculate Density for Architectural Windows & Sashes
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Dimensions
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Frequently Asked Questions
What is the NMFC code for Architectural Windows & Sashes?
The standard NMFC item code for Architectural Windows & Sashes is 34700. This code is used by LTL carriers to identify the commodity type on the Bill of Lading.
What freight class is Architectural Windows & Sashes?
Architectural Windows & Sashes is typically classified as Class 150 to 200. However, this can change if the pallet density (PCF) varies from standard industry averages.
How do I avoid reclassification fees for Architectural Windows & Sashes?
To avoid re-billing, always provide exact dimensions (L x W x H) and total weight including the pallet. Use our density calculator to confirm your Architectural Windows & Sashes falls within the Class 150 to 200 density range.