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Novia  |  SKU: NV010

Novia Black+ Ultra Roof and Wall Breather Membrane 1.5m x 50m 75m2

£52.44 Ex VAT
£62.93 Inc VAT
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Nationwide Delivery in 3-5 WORKING DAYS

Delivery: £40 ex VAT

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Novia Ultra+ Roof and Wall Breather Membrane is a versatile breather membrane for use in pitched cold and warm roofs and insulated wall applications. Install directly over insulation, boarded roofs or rafters.

Suitable for pitched cold and warm roofs, and for use as a high-spec wall breather membrane. Install 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
  • Good water resistance
  • High breathability
  • 1.5m wide
  • Compliant to EN 13859-1 (roofs) and EN 13859-2 (walls)
  • Grey side features overlap guide lines
  • Tested for BS 5534 wind uplift requirements
Length:  50m Roll
Thickness: 102gsm
Width:  1.5m
Coverage: 75m2
Resistance to Water Penetration: W1 Class
Reaction to Fire: E Class
Low Temperature Stability (no cracking at): -60°C

 

Data Sheets & Information

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  • Size
    1.5m x 50m
  • Coverage (m²)
    75
  • Thickness
    102gsm
  • Length
    50m
  • Width
    1.5m
  • Material
    3-Layer Polypropylene
  • Water Resistance
    0.029
  • Reaction to Fire
    E Class

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