Marine Teak Deck Caulk from Japan

Marine teak deck caulk is a polysulfide mastic for sealing teak deck seams on boats. Flexible and UV resistant, classified under HTS 3214.10.00 as caulking compound.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Include USCG certification if claiming marine approval

• Declare sulfur content for polysulfide identification

• Specify application temperature range for deck use