Fire-Retardant Glulam Beams
Fire-retardant glulam beams are glue-laminated beams pressure-impregnated with fire-retardant chemicals to enhance building safety. They retain classification under tariff item 4418.81.00 as glulam structural timber, with the treatment not altering their essential character. These beams meet fire code requirements for commercial and residential construction.
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% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the fire-retardant chemicals are imported separately
Chemicals are classified separately from the wood products they treat.
If the treatment changes the product's character beyond glulam
If the treatment makes it a distinct article, it may fall under other items.
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
• Ensure the fire-retardant treatment complies with Canadian building codes and CBSA regulations
• Provide documentation of the treatment process to avoid misclassification
• Verify that the treatment does not affect the structural integrity or classification
Related Products under Tariff item 4418.81.00
Bamboo Glulam Beams
Bamboo glulam beams are engineered structural members made by laminating bamboo strips with adhesives. Under Chapter 44 Note 6, references to 'wood' include bamboos, so these beams are classified as glue-laminated timber (glulam) under tariff item 4418.81.00. They are a sustainable alternative for green building projects, offering high strength and dimensional stability.
Curly Maple Glulam Posts
Curly maple glulam posts are decorative structural posts made from laminated curly maple hardwood, combining aesthetic appeal with engineered strength. They are classified under tariff item 4418.81.00 as glue-laminated timber, as the lamination process meets the definition of glulam. These posts are used in exposed interior applications where appearance and load-bearing capacity are required.
Douglas Fir Glulam Beams
Douglas fir glulam beams are structural load-bearing members made from Douglas fir laminations bonded with adhesives. They meet the definition of glue-laminated timber under tariff item 4418.81.00, as they are engineered for construction applications. These beams are widely used in residential and commercial buildings for their strength and reliability.
European Larch Glulam Rafters
European larch glulam rafters are sloped glue-laminated rafters designed for pitched roof systems. They are classified under tariff item 4418.81.00 as glue-laminated timber, offering natural resistance to decay for exterior structural use. These rafters provide durability and aesthetic appeal in roof construction.
GluLam Arched Roof Beams
Glulam arched roof beams are curved glue-laminated beams custom-engineered for arched roof structures. They are classified under tariff item 4418.81.00 as glue-laminated timber, as the layered gluing allows complex shapes. These beams are popular in timber-framed arenas and churches for their aesthetic and structural benefits.
Glulam Bridge Girders
Glulam bridge girders are heavy-duty glue-laminated girders designed for pedestrian and highway bridge superstructures. They are classified under tariff item 4418.81.00 as engineered glulam for structural timber applications. These girders are treated for exterior durability and are used in infrastructure projects.