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Novia Black Breather Membrane

Suitable for pitched cold and warm roofs and insulated wall applications.


A high quality, versatile, low cost, breather membrane. The material meets EN 13859-1 for pitched roofing and EN 13859-2 for walls. Novia Black has superior water resistance with good breathability. It is strong yet lightweight and complies with EN 13501-1 fire classification grade E. The product is black on one side and white on the reverse, with a 150 mm overlap line. There are no text or images on either side. It is fully compliant with mandatory CE marking requirements introduced under the 2013 Construction Products Regulations.


  • Superior water resistance.
  • Highly vapour permeable.
  • Single product for all roofs and walls.
  • Three layer laminate with microporous core.
  • Excellent tensile and nail tear strength.
  • Matt finish slip-resistant surface.
  • Grade E (fire).
  • Install as per BS 5534: 2014 + A2: 2018 UV guidance.
  • CE compliant to EN 13859-1 (roofs) and EN 13859-2 (walls).
  • Tested for BS 5534 wind uplift requirements.
  • Recyclable and ecologically harmless.


Suitable for pitched cold and warm roofs and insulated wall applications.

General information


No logo print


Breathable microporous film




1500 mm x 50 m (w x l)

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

Product Reference

Novia Black Breather Membrane


Tested for BS 5534 wind uplift requirements

Class (minimum)

W1 Water Tightness

Third-party certification

CE compliant to EN 13859-1 (roofs) and EN 13859-2 (walls)

Weight (minimum)

116 gsm

Reflective face


Fire performance


Roll weight

9 kg


116 g/m²

Tensile strength MD/CD

250/170 N/50mm

Elongation MD/CD


Tear resistance MD/CD

150/190 N

Resistance to air penetration

0.000 m³/m³.h.50.pa

Sd value

0.05 m

Resistance to water penetration

W1 >250: Class cm

Resistance against fire

E Class

Temperature resistance


UV resistance

Install as per BS 5534:2014 + A2 UV guidance


Novia Breather Membrane Lap Tape

Novia Double-sided Adhesive Tape

Standard product features


Black / white on reverse.


No logo print.


Breathable microporous film.




1500 mm x 50 m (w x l).



Environmental information



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