Insulating Ceramic Chimney Cowls

Fired ceramic cowls for chimneys with heat insulation to minimize drafts and heat loss. HTS 6905.90.0010 applies to these heat insulating constructional chimney components meeting Chapter 69 fired criteria.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.2%+35.0%38.2%
🇲🇽Mexico3.2%+10.0%13.2%
🇨🇦Canada3.2%+10.0%13.2%
🇩🇪Germany3.2%+10.0%13.2%
🇯🇵Japan3.2%+10.0%13.2%

Alternative Classifications

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

6905Same rate: 38.2%

If standard non-insulating cowls

Specific chimney cowls without insulation are separately provided in 6905.20.

6902.10Lower: 10% vs 38.2%

If refractory high-heat cowls

Refractory ceramic products for chimneys exclude from constructional goods.

7321.81Lower: 10% vs 38.2%

If iron/steel core with ceramic coating

Primarily metallic articles shift out of Chapter 69.

Not sure which classification is right?

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Import Tips & Compliance

Certify compatibility with US building codes; document insulation vs standard cowls; avoid bulk packaging mimicking parts

Related Products under HTS 6905.90.00.10

Ceramic Heat Insulating Roof Tiles

Fired ceramic roofing tiles designed with insulating properties to reduce heat transfer in buildings, made from clay-based materials fired above 800°C. They classify under HTS 6905.90.0010 as ceramic constructional goods that are heat insulating, distinct from non-insulating tiles in 6905.10. Description aligns with Chapter 69 requirements for fired ceramic products used in construction.

Ceramic Chimney Heat Insulation Liners

Fired ceramic liners for chimneys engineered to provide heat insulation, preventing heat loss and protecting surrounding structures. Classified in HTS 6905.90.0010 as other ceramic constructional goods with heat insulating features, meeting fired ceramic criteria in Chapter 69.

Insulated Ceramic Architectural Facade Panels

Fired ceramic panels used in building facades with integrated heat insulation to improve energy efficiency. Falls under HTS 6905.90.0010 as other heat insulating ceramic constructional goods, compliant with Chapter 69 firing and material notes.

Heat Insulating Ceramic Wall Bricks

Fired clay bricks with heat insulating properties for energy-efficient building walls, shaped and fired per Chapter 69 standards. HTS 6905.90.0010 covers these as other ceramic constructional goods emphasizing insulation.

Ceramic Heat Shield Construction Ornaments

Decorative fired ceramic ornaments for buildings incorporating heat shielding insulation for fire safety. Classified under HTS 6905.90.0010 as architectural ornaments that are heat insulating ceramic construction goods.

Thermal Insulated Ceramic Pipe Liners

Fired ceramic liners for construction pipes providing thermal insulation to prevent condensation and energy loss. Under HTS 6905.90.0010 as other heat insulating ceramic constructional goods.