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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

  • Size
    1.5m x 50m
  • Coverage (m²)
    75
  • Thickness
    110gsm
  • Length
    50m
  • Width
    1.5m
  • Material
    3-Layer Polypropylene
Need Help? Call our Team on 0115 6976 800
What is a Breather Membrane?

A breather membrane, also known as a vapour-permeable membrane, is a type of building material used in construction primarily for its ability to allow moisture vapour to pass through while preventing liquid water from penetrating into the structure. It is typically installed on the external side of a building's insulation, beneath the external cladding or roofing materials. Breather membranes help to manage moisture within the building envelope, reducing the risk of condensation and mould growth while improving energy efficiency by allowing buildings to "breathe" and maintain a balanced internal environment.

How do I Apply a Breather Membrane?

A breather membrane should be applied on the exterior side of any wall or roofing structure - under the outer building lining, roof tiles or cladding. It should be fixed at intervals with suitable, permanent fixings and finished with Breather Membrane Tape for the most reliable and air-tight finish. It is best used in conjunction with a Vapour Control Layer applied to the interior of the structure. 

For more information on use and specification, please download the data sheet for this product below. 

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