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Novia  |  SKU: NV014

Novia FR Breather Membrane 1.5m x 50m 75m2

£145.76 Ex VAT
£174.91 Inc VAT
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Delivery: £40 ex VAT

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Especially useful for wall applications above 18m in height, the Novia FR Breather is a B-s1xd0 (*when fitted to A1 or A2 materials, D-s2,d0 on wood materials) fire class breather membrane, designed for use in pitched roofs (cold and warm) and insulated wall applications. Install directly over insulation, boarded roofs or rafters, or on the “Cold” (exterior) side of a structural frame or roof,  and pair with a Vapour barrier on the “Warm” (internal) side - seal with Novia tapes for best results.

  • Supplied unfolded, in rolls
  • W1 Water resistance & good breathability
  • Lightweight for easier installation
  • 1.5m wide
  • Meets EN 13859-1 for pitched roofing and EN 13859-2 for walls
  • Meets class *B‐s1,d0 for fire classification
  • Suitable for walls over 18 metres
  • Black side features overlap guide lines
  • Excellent UV Stability
Length:  50m Roll
Thickness: 110gsm
Width:  1.5m
Coverage: 75m2
Resistance to Water Penetration: W1 Class
Reaction to Fire: E*B-s1,d0
Low Temperature Stability (no cracking at): -40°C

 *When fitted to A1 or A2 materials, D‐s2,d0 on wood materials

Data Sheets & Information

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  • Size
    1.5m x 50m
  • Coverage (m²)
    75
  • Thickness
    110gsm
  • Length
    50m
  • Width
    1.5m
  • Material
    3-Layer Polypropylene

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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