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Novia Polybit Building Paper 1m x 25m 25m2

£59.17 Ex VAT
£71.00 Inc VAT
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Nationwide Delivery in 3-5 WORKING DAYS

Delivery: £40 ex VAT

Novia Polybit Building Paper is a reinforced, bitumen bonded, Kraft building paper Laminate roll that meets the highest grade of BS 1521 requirements, suitable for permanent applications where additional strength and durability is required.

Novia Polybit is typically used for vapour checks, flat lead-sheet underlay, timper floor damp proofing and temporary protection that is particularly heavy-wearing.

  • Supplied in rolls
  • Meets BS 1521 
  • 1m wide
  • Suitable for temporary applications
  • Multi-use product


     Thickness: 270gsm
    Length:  25m Roll
    Width:  1m 
    Coverage: 25m2
    Moisture Vapour Reistance: 53 M Ns/g
    Liquid Water Resistance Minimum: 24 Hours

     

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    • Size
      1m x 25m
    • Coverage (m²)
      25
    • Thickness
      270gsm
    • Length
      25m
    • Width
      1m
    • Material
      Laminated & Reinforced Kraft Paper

    Large Order or Specific Requirement?

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    0115 6976 800

    Frequently Asked Questions

    What is a Damp Proof Membrane?

    Damp Proof Membranes (DPMs) are barriers often used in construction to prevent moisture from penetrating floors and walls. Made typically from a thick polyethylene sheeting, DPMs are often laid under concrete floors and walls to block moisture rising from the ground, thereby protecting interior spaces from dampness and mould.

    What is a Breather Membrane?

    A Breather Membrane is a semi-permeable layer that is designed to allow water vapour to escape from within a building while preventing liquid water from entering. They are installed on the “cold” side of a wall or roof structure (the “outward face” to ensure that the structure remains dry and free from condensation, which can lead to structural damage and poor insulation performance.

    What is a Vapour Control Layer?

    Vapour Control Layers (VCLs) are installed on the “warm” side of a wall or roof structure to limit the amount of water vapour that can pass through the structure. Unlike breather membranes, VCLs are designed to block vapour rather than allow it to pass, which helps prevent condensation within walls and roofs that leads to insulation degradation and structural damage. 

    What is a Gas Barrier?

    A Gas Barrier is a membrane used to prevent hazardous gases, such as radon, methane, and carbon dioxide, from entering a building. These barriers are especially important in areas with contaminated ground or high levels of natural gas emissions. Made from robust, impermeable materials, gas barriers are installed beneath the foundation to provide a protective seal, requiring an airtight seal with appropriate overlap tape.

    What is a Radiant Barrier?

    Many of our multifoil insulation products function as an insulation, a Vapour Control / Breather Membrane, and a Radiant Barrier. Radiant Barriers are designed to reflect radiant heat rather than absorb it. These barriers are typically installed in the attic or roof space to reduce heat transfer, keeping buildings cooler in summer and warmer in winter. By reflecting heat away, radiant barriers improve the energy efficiency of a building.

    Our Popular Brands of VCLs, Breather Membranes and Damp Proofing