Triple-Glazed Insulating Glass Unit
An advanced multiple-walled unit with three glass panes and two sealed chambers filled with inert gas for superior thermal insulation in high-performance windows. Classified under HTS 7008.00.00.00 due to its multi-layered glass construction designed specifically for insulation. Ideal for cold climates or energy-efficient building codes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as individual panes drawn or blown to specific shapes
Glass panes processed before annealing for insulating units may fall under heading 7006 if not yet assembled into multiple-walled units.
If when mounted in aluminum curtain wall panels
Assembled into larger aluminum structures for building facades, the essential character becomes aluminum under heading 7610.
If for untempered float glass sheets supplied separately
Unworked float glass sheets, even if cut to size, stay in heading 7007 until formed into insulating units.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide U-value and SHGC test reports from accredited labs to support claims of insulating performance during customs review
• Label each unit with dimensions, glass thickness, and gas content to facilitate quick verification and avoid delays
Related Products under HTS 7008.00.00.00
Argon-Filled Double-Glazed Window Unit
A sealed double-pane glass unit filled with argon gas between panes to minimize thermal conductivity, commonly used in energy-efficient fenestration. It qualifies for HTS 7008.00.00.00 as a multiple-walled insulating unit where the glass walls provide the insulating function via gas encapsulation. Prevents condensation and improves acoustics.
Soundproof Multiple-Walled Glass Unit
Insulated glass unit with asymmetric pane thicknesses and air space tuned for noise reduction in urban windows. HTS 7008.00.00.00 applies as multiple-walled glass for insulation, with acoustic benefits secondary. Common in hotels near airports.
Fire-Rated Glazed Insulating Unit
Multiple-walled glass with intumescent layers for 20-60 min fire resistance in partitions. HTS 7008.00.00.00 for insulating walls of glass. Building code compliant.
Custom Curved Insulated Glass Unit
Bent double-pane unit for arched windows, sealed post-annealing. 7008.00.00.00 as multi-walled per note (a).
Patio Door IG Unit
Large-format double-glazed for sliding doors, gas-filled. Pure 7008 classification.
Double-Pane Insulated Glass Unit
A multiple-walled insulating unit consisting of two glass panes separated by an air or gas-filled spacer, designed primarily for use in windows to reduce heat transfer. It falls under HTS 7008.00.00.00 as it is a multiple-walled insulating unit of glass, meeting the definition without further processing beyond assembly. These units enhance energy efficiency in residential and commercial buildings.