Glass Wool Firestop Blanket
Heavy-duty blankets of glass wool for firestopping penetrations in construction, per glass wool definition. HTS 7019.80.90.00 for other forms.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If slag-based firestop wool
Non-glass wools excluded by chapter note to 7019.
If formed into bottles or jars
Different glass article headings for containers vs. fibrous insulation.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Supply UL firestop system listings; avoid compression in packaging
• Common issue: misdeclared as general fabric
Related Products under HTS 7019.80.90.00
Mineral Glass Wool Insulation Batt
A batt of mineral glass wool designed for thermal and acoustic insulation in walls and attics, with silica content exceeding 60% by weight as per HTS chapter notes. Classified under 7019.80.90.00 as 'other' glass wool articles, distinct from raw fibers or yarns.
Glass Wool Acoustic Panel
Rigid panels made from compressed glass wool for sound absorption in studios and theaters, meeting the fused silica-based glass wool criteria. Falls under 7019.80.90.00 as other articles of glass wool.
Fused Silica Glass Wool Blanket
Flexible blanket rolls of fused silica glass wool for high-temperature insulation in industrial furnaces, included as 'glass' per tariff schedule. Classified in 7019.80.90.00 for other glass wool articles.
Glass Wool Pipe Insulation Wrap
Pre-formed wraps of glass wool for insulating pipes and ducts in HVAC systems, qualifying as glass wool per chemical composition notes. Under 7019.80.90.00 as other articles.
High-Density Glass Wool Board
Dense boards of glass wool for fire-resistant barriers and insulation, with silica ≥60%. HTS 7019.80.90.00 covers these as other glass wool products.
Glass Wool HVAC Duct Liner
Laminated glass wool sheets for lining HVAC ducts to reduce noise and heat loss, as defined for glass wool articles. Falls in 7019.80.90.00 'other'.