Acoustic panels / LRA panels

Ref : LRA

• Used to improve the acoustics of a room or reduce the sound nuisance of a machine (Industrial buildings, motor vehicle manufacturing).

- Behaviour in fire: A2-s1, d0. 
- Tongue and groove assembly. 
- Sealant to make joints airtight and watertight 
- Fixing by screws going through the panels and the siding frames. 

Main characteristics

Insulating core. 
High density volcanic rock fibre (165 Kg/cu. m), inorganic, rot-proof, chemically 
neutral and amorphous (no corrosive action), non hydrophilic (no capillary 
Compressive strength (or distortion stress of 10%): 0.08N/sq. mm. 
Reinforced insulation= 0.041 W/m.K 
- Z225 galvanised steel sheet, 0.6 mm thick, polyester lacquer finish 25 μ thick. 
- Colours: White RAL 9010, Sand 42 (similar to RAL 1015). 
- Other colours: on demand, see RAL colour chart. 
- Protective film: transparent heat-sealing adhesive, 80 to 120 μ thick. 

Available dimensions

Module: 1,200 mm. 
Maximum length: 6 m. 
Thickness: 60 mm only.