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.

Features and benefits:

  • 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.

General information


No logo print



Black / white on reverse



Breathable microporous film



(w x l)

1500 x 5000 mm

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

Show more
Specification data - Vapour permeable sheets Enhanced data


To BS EN 13859-1.

To BS EN 13859-2.

Performance characteristics

Tested for BS 5534 wind uplift requirements.

Class (minimum)


Third-party certification

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

Weight (minimum)

116 g/m².

Reflective face


Product Reference

Novia Black Breather Membrane

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

Sd value

0.05 m.

Resistance to water penetration

W1 >250: Class cm.

Resistance against fire

E Class.

Temperature resistance

-40 to 80°C.

UV resistance

Install as per BS 5534:2014 + A2 UV guidance.


Novia Breather Membrane Lap Tape.

Novia Double-sided Adhesive Tape.

Similar products from Novia Ltd