Hypalon Rubber Roof Coating Mastic from Japan
Chlorosulfonated polyethylene (Hypalon) rubber mastic for coating flat roofs and seams. Under HTS 3214.90.10.00 as nonrefractory surfacing preparation based on rubber for ceilings/roofs. Provides waterproof membrane protection.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Differentiate from roof paints (3208-3210) by emphasizing mastic thickness/application
• Fire rating documentation aids classification for roof use
• Pesticide registration if marketed as anti-mold coating