Hypalon Rubber Roof Coating Mastic
Hypalon rubber roof coating mastic is a chlorosulfonated polyethylene-based product used to coat flat roofs and seams, providing a waterproof membrane. It is classified under tariff item 3214.90.00 as a non-refractory surfacing preparation for ceilings or roofs, as it is not a paint or pigment dispersion.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | — | 6.5% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇺🇸United States | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the mastic is a pigment dispersed in a non-aqueous medium for paint manufacture.
Chapter note 3 excludes such dispersions from heading 32.14.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the mastic is not dispersed in a non-aqueous medium for paint use, which would fall under heading 32.12
• Provide technical data sheets showing the rubber base and non-refractory nature
• Verify the product is not a solution of polymers in volatile solvents, which could be heading 32.08
Related Products under Tariff item 3214.90.00
Acrylic Caulking Compound
Acrylic caulking compound is a water-based sealant used to fill gaps and joints in construction, preventing air and water infiltration. It is classified under tariff item 3214.90.00 as a caulking compound, distinct from bituminous mastics excluded by chapter note 1.
Butyl Rubber Glaziers' Putty
Butyl rubber glaziers' putty is a non-hardening sealant formulated to bed glass in window frames, providing long-term protection against air and moisture infiltration. It is classified under tariff item 3214.90.00 as a glaziers' putty, meeting the heading's description for mastics and putties used in construction.
EPDM Rubber Grafting Putty
EPDM rubber grafting putty is a flexible mastic used in horticulture to seal tree grafts, offering waterproofing and elasticity to accommodate plant growth. It falls under tariff item 3214.90.00 as a grafting putty, which is explicitly included in the heading's scope.
Facade Acrylic Stucco Mastic
Facade acrylic stucco mastic is a pre-mixed acrylic-based product for patching and surfacing exterior stucco walls. It is classified under tariff item 3214.90.00 as a non-refractory surfacing preparation for building facades, not a paint or chemical compound.
Grafting Wax Compound
Grafting wax compound is a bitumen-free resin wax used by horticulturists to seal tree grafts and wounds, promoting healing. It falls under tariff item 3214.90.00 as grafting putty or mastic, and is excluded from Chapter 27 asphalt mastics.
Latex Wall Crack Filler
Latex wall crack filler is a premixed latex-based filler for repairing interior drywall cracks before painting. It is classified under tariff item 3214.90.00 as painters' fillings for indoor wall surfacing, being non-refractory.