Roofing Underlayment Glass Scrim
Chemically bonded open glass fiber scrim for reinforcing asphalt roofing underlayment membranes. Classified HTS 7019.73.90 as other open chemically bonded glass fiber fabrics. Open grid allows asphalt saturation while providing tear resistance.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If impregnated with bitumen
Asphalt-impregnated glass fabrics classify as articles of asphalt.
If non-open reinforcement mat
Denser nonwoven glass reinforcement uses different subheading.
If substantial surface coating
Heavily coated roofing fabrics shift to painted/coated textiles.
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Import Tips & Compliance
• ASTM testing (D5035 grab tensile strength) verifies reinforcement specifications
• Import unsaturated; asphalt saturation occurs domestically to maintain fabric classification
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