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Probreathe A2 - Fire Rated Breather Membrane

Probreathe® A2 is an airtight woven glass fibre membrane with a PU coating. The membrane combines breathability, good water resistance and airtightness in one membrane. It has a Reaction to Fire classification of A2-s1,d0 when installed freehanging or onto a substrate which is minimum A2,s1,d0

  • A2 Reaction to Fire Classification
  • Increased airtightness over traditional breather membranes
  • Vapour permeable membrane for use either directly onto sheathing or over insulation.
  • Ideal for use in rainscreen/facade construction
  • Suitable for applications over 18m (11m in Scotland)
  • Robust & Durable wall membrane
  • Allows temporary protection of the building until the primary external covering is installed
wraptite system

Probreathe A2

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Material Properties

Probreathe A2

Property Test Method Result
Roll Size 1.5m x 50 m
Weight 230 g/m2
Thickness 0.2 mm
Temperature range -36C to 150C
Water vapour resistance EN 12572 Sd 0.095 m
Reaction to Fire EN 13501-1 A2-s1, d0
Resistance to air penetration 0.006 m3 /(h x m2 @ 50Pa)

Probreathe A2 Air

Property Test Method Result
Roll Size 1.5m x 50 m
Thickness 0.18 mm
Weight 210 g/m2
Air Permeability EN 12114:2000 27 m3/(h.m2)
Vapour permeability EN 12572 Sd 0.03 m
Resistance to water penetration EN 1928 W2
Temprature rage -36C to 150C
Reaction to Fire* EN 13501-1 A2, s1, d0

UK Availability

North East Scotland & Islands
Linda Kay
Regional Sales Manager

07817872980

South London & South East
Josephine Matchette
Regional Sales Manager

07535450346

Wales & South West
Marc Blackie
Technical / Regional Sales Manager

07968215 755

North London & East England
Ben Cremer
Technical / Regional Sales Manager

07768817733

Head Office
The Haugh

Midlands
Kieran Basi
Regional Sales Manager

07817873003

Ireland
Anthony Ruth
Regional Sales Manager

Global Availability

North America
Jeff Dibdin
International Account Manager.

07534436615

South America
Jeff Dibdin
International Account Manager.

07534436615

Europe
Jeff Dibdin
International Account Manager.

07534436615

MENA
Jeff Dibdin
International Account Manager.

07534436615

Asia
Jeff Dibdin
International Account Manager.

07534436615

Australia
Jeff Dibdin
International Account Manager.

07534436615


Probreathe A2 Air

probreathe-a2-air

Probreathe® A2 Air is a woven glass fibre membrane designed to provide good water resistance and breathability to the building fabric. This membrane is air permeable, and will be installed either directly to the sheathing board, or over the insulation, providing a Reaction to Fire classification of A2-s1,d0.

  • A2 Reaction to Fire Classification
  • Vapour permeable membrane for use either directly onto
  • sheathing or over insulation.
  • Robust & Durable
  • Ideal for use in rainscreen/facade construction
  • Suitable for applications over 18m (11m in Scotland)
 Download Datasheet  Installation Guide

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