SKU: 16575626966

Novia B1F Reinforced Kraft Union Liner 1.25m x 50m (62.5m2)

Sale price$85.39 Regular price$94.88
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Shipping Estimate
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Novia B1F Reinforced Kraft Union Liner 1.25m x 50m (62.5m2)This is our traditional reinforced kraft paper bitumen bonded building paper laminate used within the construction industry which meets the requirements of BS 1521, grade B1F (Class B with reinforcement). Unlike many other recent developments in building membranes (eg breathable roof underlays), BS 1521 does not give guidance on suitable use, and as such this product is a generic material, serving a wide range of end user defined applications.

This is our traditional reinforced kraft paper bitumen-bonded building paper laminate used within the construction industry which meets the requirements of BS 1521, grade B1F (Class B with reinforcement).

Unlike many other recent developments in building membranes (eg breathable roof underlays), BS 1521 does not give guidance on suitable use, and as such this product is a generic material, serving a wide range of end-user defined applications.

However, typical usage for B1F has naturally evolved over time including for example, separation layers for insulated screeds, bond breaks, temporary protection and garden buildings.

Key Features:

  • Bitumen, paper and reinforcement scrim laminate
  • Lowest cost reinforced product
  • Multi-use adaptable building product
  • Made to BS 1521 Class B
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 16575626966

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4.2 ★★★★★
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Wapastick
Natrona Heights, US
★★★★★ 5
Good
Color: Silver-Tone Bracelet, White Dial
Nice watch
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
A
Verified Purchase
Andre Varghai
Alexandria, US
★★★★★ 5
Great Active Sandles
Size: 12, Color: Black/White
One of the best Active Sandals, I wear them everywhere (wet or dry).
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Reviewed in the United States on May 18, 2026
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VMA
Omaha, US
★★★★★ 5
Excelente producto
Size: 8, Color: Black/White
Sandalias muy cómodas para caminar, recomendadas para utilizar en viajes largos y clima cálido. Sugiero comprar una talla adicional, sin embargo siguen siendo muy cómodas.
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Reviewed in the United States on April 18, 2026
Y
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Yana Sosik
New York, US
★★★★★ 5
Very nice
Size: 11, Color: Grill/Mint Wave
Perfect design and very comfortable. I wear usually 10.5, these sandals ordered 11, fits perfect
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Reviewed in the United States on November 15, 2025
C
Verified Purchase
Ct
Port Orchard, US
★★★★★ 4
Good. I like
Size: 8, Color: Black/White, Size: 8, Color: Black/White
Seem good. Comfortable. True size
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Reviewed in the United States on March 21, 2026

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