PROCTOR Probreathe A2 Air Vapour Permeable Membrane - 1.5m x 50m
Product Code:
75 m²
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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.

Key points :

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)

Specification :

Width: 1.5m
Length: 50m
Weight: 210g/m²
Thickness: 0.18mm
Water Vapour Resistance Sd-Value: 0.03m
Reaction to fire: A2-s1, d0
Resistance to water penetration: Class W2

Probreathe A2 Air is fixed to the sheathing board temporarily using Probreathe FR Duo Tape. Horizontal laps should be a minimum 150mm and vertical overlaps should be minimum 100mm. These are sealed using Probreathe FR Tape. See Installation Guide for full instructions.

Datasheets & Documents.
If you require a BBA Certificate for this product please get in touch.