Phonic Silence Panels, three layers, are used for the manufacture of conservatory roof.

They are constituted by an insulating foam in extruded polystyrene,  an elasticized system central and an outside membrane which offer:

- An high acoustic absorption of impact noise
- A strong reduction of the bi-lame effect,  thanks to the elastification of the foam insumating in the center, and the protection of the aluminium sheet of the upper facing.
- An excellent puncture resistance
- Excellent mechanical properties