PROCTOR Probreathe A2 Air Vapour Permeable Membrane - 1.5m x 50m
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)
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.