New

Ask Wove anything about tariffs.

Try Tariff Assistant

HDPE Construction Vapor Barrier Film

High-density polyethylene film used as a moisture barrier under flooring in construction. Noncellular and not combined with other materials, classified under ethylene polymers. Typically 6-15 mil thick for residential and commercial builds.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.2%+37.5%41.7%
🇲🇽Mexico4.2%+10.0%14.2%
🇨🇦Canada4.2%+10.0%14.2%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

3918.10.10Higher: 42.8% vs 41.7%

If in the form of floor coverings

Sheets primarily for flooring use may classify as floor coverings in heading 3918.

3920.43Lower: 16.7% vs 41.7%

If PVC with plasticizers

Vinyl chloride polymers with plasticizers have dedicated subheading 3920.43.

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 ASTM D4397 compliance certs; non-compliant films face CBP holds

• Measure density accurately—HDPE must confirm ethylene base over 95%

• Avoid bulk packing without separators to prevent customs valuation disputes

Related Products under HTS 3920.10.00.00