Home > Companies > Novia Ltd > Novia FR Breather Membrane

A B‐s1,d0 fire class breather membrane, dual approved for both roof and wall applications. This membrane has the maximum W1 water resistance, good breathability and is lightweight and easy to handle. It is coloured black to the front and white on the reverse side, but with no text or images on either side, except an overlap line. Meets EN 13859‐1 for pitched roofing and EN 13859‐2 for walls.

Features and benefits:

  • B‐s1,d0 fire rating when fitted to A1/ A2 materials, D‐s2,d0 when on wood.
  • Good UV stability.
  • CE compliant to EN 13859‐1 (roofs) and EN 13859‐2 (walls).
  • Waterproofing membrane suitable for walls over 18 m.
  • Single product for all roofs and walls.
  • Monolithic breathable/ vapour permeable membrane design.
  • High performance thermoplastic polyurethane (TPU)/ non‐woven laminate construction.
  • Suitable for use on fully boarded roofs.

Applications:

Suitable for use in pitched cold and warm roofs, and insulated wall applications including those above 18 m in height.

Standard product features

Composition:

Thermoplastic polyurethane (TPU)/ non‐woven laminate.

Colour:

Black on front and white on the reverse side.

Roll size (w x l):

1.5 x 50 m.

Weight:

110 g/m².

Technical characteristics:

  • Tensile strength (to EN 12311‐1): Machine direction: 270 N/50 mm; cross direction: 175 N/50 mm.
  • Elongation (to EN 12311‐1): 25%.
  • Tear resistance (to EN 12310‐1): Machine direction: 90 N; cross direction: 100 N.
  • Resistance to air penetration (to EN 12114): 0.05 m³/(m².h.50 Pa).
  • Sd value (to EN ISO 12572 C): 0.075 m.
  • Resistance to water penetration (to EN 1928A): Class W1.
  • Reaction to fire (to EN 13501‐1): B‐s1,d0 (when fitted to A1/ A2 materials, D‐s2,d0 when on wood).
  • Low temperature stability (to EN 1109): ‐40°C.
  • UV resistance: Excellent.
  • Resistance to water penetration (to EN 13859‐1 Annex C): Class W1 (after ageing).

NBS Specification

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This product is associated with the following NBS Create clause:
45-65-50/323 Vapour permeable sheets

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

Novia Ltd

Tel:

+44 (0)1622 678952

Product reference

Novia FR Breather Membrane

Manufacturer details

Unit 12,
Heronden Road,
Parkwood Industrial Estate,
Maidstone,
Kent, ME15 9YR
Tel +44 (0)1622 678952
Fax +44 (0)1622 679025
NBS Plus
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