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Novia  |  SKU: NV035

Novia Single-Sided Breather Membrane Lap Tape 25m (50mm or 75mm)

Size
£20.30 Ex VAT
£24.36 Inc VAT
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Delivery: £40 ex VAT

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Novia is a Breather Membrane Lap Tape designed for sealing overlaps in external membranes used in both roof and wall applications, available in 50mm or 75mm width. Typically, it is best used in combination with Novia Double-Sided Adhesive Tape to ensure a completely sealed and airtight installation of the membrane.

Novia Breather Membrane Lap Tape is recommended for use alongside Novia Black and Novia Reflex breather membranes on roofs to comply with BS 5534 wind uplift testing requirements. Please refer to the technical data sheets for guidance.

  • Supplied in rolls
  • 60mm wide
  • 50m long
  • High strength polypropylene and acrylic adhesive tape
     Thickness: 0.55 or 0.60mm
    Length:  25m Roll
    Width: 50mm or 75mm
    Installation Temperature: From -10⁰C (+5⁰C recommended)
    Temperature Resistance: -30 to +100⁰C

     

    Data Sheets & Information

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    • Size
      50mm or 75mm x 25m
    • Thickness
      0.55mm
    • Length
      25m
    • Width
      50mm, 75mm

    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