Engineered Douglas Fir Roof Trusses
Heavy-duty roof trusses constructed from Douglas fir, featuring finger-jointed chords and webbing for commercial buildings. They are classified as prefabricated assemblies for specialized builders' carpentry. This product falls under tariff item 4418.99.00 as other builders' joinery and carpentry of wood.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3% | — | 3% |
| 🇲🇽Mexico | 3% | — | 3% |
| 🇺🇸United States | 3% | — | 3% |
| 🇩🇪Germany | 3% | — | 3% |
| 🇯🇵Japan | 3% | — | 3% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the trusses are used for concrete formwork
Concrete shuttering is specifically classified under this heading.
If the trusses are primarily made of steel
Steel towers and lattice masts are classified under Chapter 73.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the Douglas fir is properly graded and certified for commercial construction
• Declare the trusses as prefabricated structural components for buildings
• Ensure the finger-jointed connections meet Canadian engineering standards for load-bearing use
Related Products under Tariff item 4418.99.00
Attic Roof Trusses with Floor Joists
Pre-manufactured roof trusses incorporating integrated floor joist systems for habitable attic spaces in homes. These are purpose-built roof trusses despite additional flooring capabilities. This product qualifies under tariff item 4418.99.00 as other builders' joinery and carpentry of wood.
Bamboo Interior Screen Dividers
Assembled bamboo pole screen dividers for interior room partitioning. Per Chapter 44 note 6, bamboo is treated as wood, and these are builders' joinery for interior carpentry.
Birch Engineered Herringbone Flooring
Engineered birch flooring in a herringbone pattern, with tongue-and-groove edges for interlocking installation. These assembled flooring panels are classified under tariff item 4418.99.00 as other builders' joinery of wood.
Cedar Closet Lining Panels
Aromatic western red cedar panels pre-assembled for closet lining applications. These are builders' joinery of wood for interior carpentry installations.
Cellular Wood Partition Wall Panels
Lightweight cellular wood core panels assembled for interior office partition walls. These are explicitly included in the heading as cellular wood panels for builders' joinery.
Drilled Metal-Plated Studs
Engineered wood studs with pre-drilled holes and steel reinforcement plates at notches, designed for seismic zones. The drilled and notched features qualify these as specialized builders' joinery of wood, enhancing structural performance in framing.