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HTSUS, United States

6905.90.00.10

Heat insulating

Classification path

  1. Roofing tiles, chimney pots, cowls, chimney liners, architectural ornaments and other ceramic constructional goods
  2. Other
  3. Heat insulating

Rates of duty

General (MFN)
3.2%
Column 2Cuba, North Korea, Russia, Belarus
30%
Unit of quantity
No.

Trade agreement rates

FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, U.S.-Bahrain FTA, U.S.-Chile FTA, U.S.-Colombia TPA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, U.S.-Jordan FTA, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Panama TPA, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA

Related lines in heading 6905

About heading 6905

Roofing tiles, chimney pots, cowls, chimney liners, architectural ornaments and other ceramic constructional goods

Heading 6905 covers ceramic constructional goods that are not bricks, tiles for paving, or sanitary fixtures, such as roofing tiles, chimney pots, cowls, chimney liners and architectural ornaments. It has one line for roofing tiles and one residual line for other goods, which is split between heat insulating articles and all other articles. Rates differ by line, with roofing tiles at a higher general (MFN) rate than other goods.

Full guide to heading 6905

Products in this heading

  • Terracotta roofing tiles
  • Clay chimney pots
  • Ceramic chimney liners
  • Chimney cowls of ceramic
  • Ceramic architectural ornaments such as cornices and friezes
  • Ceramic heat insulating constructional pieces
  • Ceramic ridge tiles and finials for roofing
  • Ceramic constructional goods not covered by other headings of the chapter

Frequently asked questions

What is the HTS code for ceramic roofing tiles?

Ceramic roofing tiles are classified under 6905.10.00.00. The general (MFN) rate for that line is 13.5%.

What is the duty on heat insulating ceramic constructional goods?

Heat insulating ceramic constructional goods other than roofing tiles fall under 6905.90.00.10. The general (MFN) rate is 3.2%.

How do I classify ceramic chimney pots and cowls?

Chimney pots, cowls and liners are ceramic constructional goods that are not roofing tiles, so they fall in the residual line 6905.90.00.50, which carries a general (MFN) rate of 3.2%, unless the heat insulating description in 6905.90.00.10 applies.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 6905.90.00.10: Heat insulating, 3.2% duty | HTSBase