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SITCSection 6
U.S. imports of pressed or molded glass building articles, leaded lights, and multicellular glass blocks (SITC 66496) totaled $7.9M in July 2026, traded with 32 countries.
Importers of Pressed or Molded Glass Building Articles, Leaded Lights, and Multicellular Glass Blocks paid $1.9M in duties in July 2026 — an effective duty rate of 30% on $6.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Pressed or Molded Glass Building Articles, Leaded Lights, and Multicellular Glass Blocks imports of $7.9M in July 2026 ran 33% above the year-to-date monthly average of $5.9M.
Last updated: July 2026 dataArchitectural glass products formed by pressing or molding—including glass bricks, paving blocks, leaded stained-glass panels, and multicellular (foam) glass blocks—serve structural, daylighting, and decorative functions in building construction. Glass blocks and multicellular glass are valued for their thermal mass, light diffusion, and load-bearing capacity in partition walls and flooring applications. Leaded lights and decorative stained-glass panels are specialty items with significant artisanal content, and their valuation for customs purposes often requires detailed appraisal of the artistic or craft component.
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461 shipments/mo
Basic heading 363 of 766 in section 6
Basic heading 66496 · $7.9M of $26.7B
Most commercially produced leaded glass panels are classified as building or decorative glass articles rather than works of art. To qualify as a work of art for preferential tariff treatment, a piece typically must be an original creation by a recognized artist and meet specific criteria under the relevant HTS provisions. Mass-produced or reproduction leaded glass panels generally do not meet that threshold.
Glass blocks used in structural or semi-structural applications in the US must comply with applicable building codes, typically referencing ASTM standards for glass masonry units. Importers supplying the construction trade should obtain and provide test reports demonstrating compliance with the relevant ASTM specifications, as building inspectors may require this documentation before approving installation.
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Imports · July 2026
origin
China and Italy together supply 61% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$7.9MYoY · Pro
Exports
$2.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.