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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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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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Frequently Asked Questions

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. Particularly in wall structures, they are often used in conjunction with a Vapour Control Layer which is typically used on the interior "warm" side of a wall structure.

Multi Foil Insulated Breather Membrane

Many of our breather membranes are a multi-purpose product that are made of reflective multi foil insulation such as SuperFOIL, which is essentially a multi layer foil insulation that has a breathable surface to function as both a breather membrane and a thin but effective layer of insulation. 

Novia Breather Membranes

Novia are a specialised manufacturer of Breather Membranes designed for a wide range of uses and purposes. Most of their breather membranes are designed for use within a wall structure, though they also offer membranes specifically sized for use in roofing. When choosing a Breather Membrane, it is important that they are chosen in accordance with building regulations specifications. These specifications are in place to account for:

  • An Increase in adverse weather conditions
  • Variance in weather conditions across the country
  • Variance in styles of roofing and wall structures and their breathability

Typically in areas with higher wind resistance, the appropriate Breather Membrane is likely to have a higher tensile strength, to ensure that sagging, tearing or ballooning doesn’t occur after installation. If the structure is likely to be exposed to the elements for some time before exterior facings or roofing is applied, a membrane with higher UV resistance is important to prevent degradation under the elements. Similarly, if a roofing space is unventilated, it may be advised to choose a membrane with a higher vapour permeability to ensure excess condensation does not accumulate.