Novia FR Breather Membrane


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


A B‐s1,d0 fire class breather membrane, dual approved for both roof and wall applications. This membrane has maximum W1 water resistance, good breathability, is lightweight and easy to handle. It is black on the front and white on the reverse side, with an overlap line. There are no text or images on either side. 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.

General information


No logo printed



Black on front and white on the reverse side




Thermoplastic polyurethane (TPU)/ non‐woven laminate



1.5 x 50 m

Uniclass 2015

Pr_25_57_10_94 Vapour permeable sheetsPrimary


H20/150 Sheet cladding

H20/155 Sheet cladding

H21/110 Vertical timber weatherboarding

H21/111 Horizontal timber weatherboarding

H21/115 Vertical timber weatherboarding

H21/116 Horizontal timber weatherboarding

H21/130 Breather membrane

H21/20 Breather membrane

H30/110 Fibre cement

H30/120 Fibre cement

H30/350 Breather membrane

H30/50 Breather membrane

H31/280 Breather membrane

H31/55 Breather membrane

H60/105 Clay roof tiling

H60/110 Clay roof tiling with counterbattens

H60/120 Concrete roof tiling

H60/125 Concrete roof tiling with counterbattens

H60/145 Clay vertical tiling

H60/155 Concrete vertical tiling

H61/105 Roof slating

H61/110 Roof slating with counterbattens

H61/120 Vertical slating

H62/105 Roof slating

H62/110 Roof slating with counterbattens

H62/120 Vertical slating

H62/125 Roof slating

H62/130 Roof slating with counterbattens

H62/140 Vertical slating

H62/145 Roof slating

H62/150 Roof slating with counterbattens

H64/110 Wood shingle/ shake roofing

H64/120 Wood shingle/ shake roofing with counterbattens

H64/130 Vertical wood shingle/ shakes

H65/105 Clay roof tiling

H65/110 Clay roof tiling with counterbattens

H65/115 Concrete roof tiling

H65/120 Concrete roof tiling with counterbattens

H65/125 Reconstituted slate roof tiling

H65/130 Reconstituted slate roof tiling with counterbattens

H65/135 Ceramic slate roof tiling

H65/140 Ceramic slate roof tiling with counterbattens

H67/110 Metal roof tiling

H67/120 Metal roof tiling with counterbattens

H67/130 Metal vertical tiling

H92/120 Rainscreen cladding

H92/785 Breather membrane

K21/111 Wood floating floor

M30/265 Building paper

P10/320 Breather membrane

P10/65 Breather membrane

Specification data - Vapour permeable sheets Enhanced data


To BS EN 13859-1.

To BS EN 13859-2.

Class (minimum)


Weight (minimum)

110 g/m².

Reflective face


Product Reference

Novia FR Breather Membrane


Machine direction: 270 N/50 mm; cross direction: 175 N/50 mm to EN 12311‐1.

Elongation (to EN 12311‐1)

25% to EN 12311‐1.

Tear resistance

Machine direction: 90 N; cross direction: 100 N to EN 12310‐1.

Resistance to air penetration

0.05 m³/(m².h.50 Pa) to EN 12114.

Sd value

0.075 m to EN ISO 12572 C.

Resistance to water penetration

Class W1 to EN 1928A.

Class W1 (after ageing) to EN 13859‐1 Annex C.

Reaction to fire

B‐s1,d0 to EN 13501‐1 (when fitted to A1/ A2 materials, D‐s2,d0 when on wood).

Low temperature stability

‐40°C to EN 1109.

UV resistance


Similar products from Novia Ltd