Novia Ultra+ Breather Membrane


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


A versatile, dual-approved and ultra-low cost breather membrane. The material meets EN 13859-1 for pitched roofing and EN 13859-2 for walls, with good water resistance and high breathability. It is lightweight and easy to handle. Novia Ultra+ is grey on one side and white on the other, with a 150 mm overlap line. There are no text or images on either side. The product complies with mandatory CE marking requirements introduced under the 2013 Construction Products Regulations.

For higher specification applications, refer to Novia Black, Black Pro or Novia Reflex breather membranes.


  • Low-cost, entry-grade roof breather.
  • Waterproofing membrane.
  • Highly vapour permeable.
  • Single product for all roofs and walls.
  • Three layer laminate with microporous core.
  • Good tensile and nail tear strength.
  • Grade E (fire).
  • CE compliant to EN 13859-1 (roofs) and EN 13859-2 (walls).
  • Recyclable and ecologically harmless.
  • Install as per BS 5534:2014 + A2: 2018 UV guidance.
  • Install with Novia speciality tape.

General information


No logo printed



Grey with a white back




Breathable microporous film, three-layer laminate with microporous core



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


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

Class (minimum)

W1 water tightness.

Weight (minimum)

95 g/m².

Reflective face


Product Reference

Novia Ultra+ Breather Membrane

Tensile strength MD/CD

210/105 N/50mm.

Elongation MD/CD


Tear resistance MD/CD

75/90 N.

Resistance to air penetration

0.045 m³/m²

Water vapour transmission properties

0.02 m.

Resistance to water penetration

W1 Class.

Resistance against fire

E Class.

Stability to low temperature


UV resistance

Install as per BS 5534:2014 + A2: 2018 UV guidance.


Novia Breather Membrane Lap Tape.

Novia Double-sided Adhesive Tape.

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