U.S. imports of Wired Float Glass & Surface Ground or Polished Glass Sheets (SITC 66442) totaled $297K in August 2026, imported from 8 countries.
Importers of Wired Float Glass & Surface Ground or Polished Glass Sheets paid $35K in duties in August 2026, an average duty rate of 11.82% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Wired Float Glass & Surface Ground or Polished Glass Sheets imports of $297K in August 2026 ran 39% above the year-to-date monthly average of $213K.
Last updated: August 2026 dataWire-reinforced float and polished glass sheets embed a metal mesh within the glass during production, providing a degree of fragment retention upon breakage that historically qualified the product for fire-rated glazing applications. However, building codes in many jurisdictions have shifted toward tempered or laminated safety glass for fire and impact resistance, reducing wired glass's market share in new construction while it remains in use for replacement glazing in older buildings. Importers should verify that wired glass products meet applicable ANSI and local building code safety glazing standards before specifying for regulated applications.
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19 import shipments a month
Wired glass has largely been displaced in hazardous locations (doors, sidelights, shower enclosures) by tempered and laminated glass under ANSI Z97.1 and IBC requirements, because its impact resistance is lower than these alternatives. It may still be permitted in certain fire-rated assemblies where the wire mesh provides the required integrity rating, but specifiers should confirm compliance with the applicable local code and fire-rating test standard.
Wired float glass (this heading) is produced by the float process and has the superior surface flatness and optical clarity associated with that method, while wired cast-and-rolled glass (a separate heading) is made by passing molten glass between rollers and typically has a less uniform surface. The production method and resulting surface quality are the key classification criteria.
Basic heading 66442 · $297K of $27.0B
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Imports · August 2026
origin
Japan and Germany together supply 99% 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
$297KYoY · free account
Exports
$7KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $2.5M of Wired Float Glass & Surface Ground or Polished Glass Sheets and exported $107K.
Fewer than 6 of the last 12 months reported trade, or the latest month was under $500K; the trend chart is not shown for thin series.
Through August 2026 · exports 9 of 12 months reported. Source: U.S. Census Bureau.