Available in 40 – 70 g/m², coloured white or black. Produced on wire inclined machine giving the product high air permeability.

Fibres: Synthetic- or glass fibres, fire retardant can be added.

Noise Reduction Coefficient NRC = 0,75

Sound Absorption Average = 0,76 (according to ASTM C423)

Production width: 2,25m (88.5”)