Bitumen Impregnated Hardboard for Exterior Siding Backer from Germany
Low-density hardboard variant impregnated with bitumen to serve as weather-resistant backing for vinyl siding installations. Provides dimensional stability in humid climates. HTS 4411.94.00.70 due to fiberboard nature, density spec, and bitumen processing.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Confirm 'other' density category excludes lacquered or overlaid variants under 4411.94.00.50
• Use correct country-of-origin marking visible after installation per CBP rules
• Avoid bulk packaging declarations that might trigger valuation disputes