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Cumaru Tropical Hardwood Door Sill

Heavy-duty cumaru (Dipteryx odorata) sill for exterior doors, shaped for water runoff. Falls in HTS 4418.21.80.60 as other tropical door thresholds.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.8%+37.5%42.3%
🇲🇽Mexico4.8%+10.0%14.8%
🇨🇦Canada4.8%+60.0%64.8%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4418Same rate: 42.3%

If posts and beams rather than door-specific

Other builders' joinery like posts uses 4418.60.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Include hardness ratings in specs to support tropical classification

• Pre-treat for insects if shipping from South America