R-13 Glass Wool Batts for Attic Insulation
Unfaced R-13 rated glass wool batts sized for standard 2x4 attic joists, offering high thermal resistance. Classified under HTS 7019.80.10.10 for glass wool batts meeting fused silica fiber criteria. Ideal for energy-efficient retrofits in homes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for batts with lower silica but high slag content
Slag wool variants fall outside glass wool specs into Chapter 68 exfoliated products.
If in roll or blanket form rather than discrete batts
Rolls classified separately from cut-to-fit batts in insulation subheadings.
If chopped strands sold loose without batt forming
Unformed chopped glass fibers precede batt assembly in yarn/rovings headings.
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Import Tips & Compliance
• Provide ENERGY STAR or ICC-ES reports proving R-value for tariff and rebate eligibility
• Label batts with country of origin and fiber composition to meet FTC fiber rules
• Separate kraft-faced variants; facing may trigger 7019.90 or textile headings if predominant
Related Products under HTS 7019.80.10.10
Fiberglass Batts Insulation for Walls
Pre-cut rectangular fiberglass batts designed for installation between wall studs in residential construction. These meet HTS 7019.80.10.10 as glass wool insulation products in batt form, with silica content over 60% qualifying as glass wool per chapter notes. They provide thermal and acoustic insulation without structural support.
High-Density Glass Wool Batts for Soundproofing
Dense fiberglass batts optimized for studio and theater sound attenuation between walls. HTS 7019.80.10.10 covers these glass wool batts with NRC ratings over 1.0. Non-combustible for fire-rated assemblies.
2x6 Fiberglass Batts for Exterior Walls
Full-depth 5.5-inch thick fiberglass batts for 2x6 stud walls in cold climates. HTS 7019.80.10.10 for these staple fiber glass wool insulation products. Kraft or FSK facing options available.
Narrow Glass Wool Batts for HVAC Duct Lining
Slim 3-4 inch wide batts foil-faced for lining rectangular HVAC ducts internally. Classified HTS 7019.80.10.10 as glass wool batt insulation despite HVAC end-use. Meets SMACNA standards for low friability.
Unfaced Fiberglass Batts for Floor Joists
Flexible unfaced fiberglass batts friction-fit for floor joist spaces in multi-story buildings. HTS 7019.80.10.10 applies to these glass wool insulation batts with required mineral composition. Reduces sound transmission and heat loss effectively.
R-19 Kraft-Faced Glass Wool Batts
R-19 batts with kraft paper vapor retarder facing for cathedral ceilings and interior walls. Principal glass wool material qualifies under HTS 7019.80.10.10 for insulation batts. Facing aids moisture control in humid climates.