Polyester Nonwoven Roofing Underlayment from Mexico
Synthetic nonwoven sheet from polyester filaments over 150 g/m², providing secondary water barrier in roofing systems. HTS 5603.14.9090 covers this as other heavy man-made nonwovens, compliant with notes excluding only fully embedded or coated types.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document as 'nonwoven' not 'felt' to stay in 5603; chapter notes overlap
• Inspect for lamination; thin plastic layers visible naked eye reclassify to 39
• Use HTSUS advisory rulings for construction end-use to confirm duty savings