Bituminized Large Format Vapor Barrier Sheet
Oversized sheets (2m x 4m) of bituminized paperboard for wall vapor barriers in humid climates. Meets HTS 4811.10.11.00 dimensions and bituminous description.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If predominantly plastic/polymer sheeting
Plastic vapor barriers are Chapter 39 plates/sheets.
If in rolls ≤15 cm width
Narrower dimensions change to other subheading formats.
If pre-printed exercise books from these sheets
Converted to bound books excludes from heading 4820 note.
Not sure which classification is right?
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Import Tips & Compliance
• Vapor permeability test results help distinguish from plastic barriers in 3917
• Declare grammage accurately; heavy papers risk Chapter 68 review
• Avoid bulk packaging that obscures sheet size verification
Related Products under HTS 4811.10.11.00
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