WEIGHTED INDEX : αw = 0,80
ABSORPTION CLASS : Class B
Wall cladding
Mechanical fixing by screwing:
– Selon DTU 36-2
– Selon NF EN 14915
| Cross-section of slats | 42 mm (face) x 20 mm (height) |
|---|---|
| Spacing between slats | 18 mm |
| Centre distance of slats | 60 mm |
| Black rear counter-slats | 34 x 45 mm |
| Overall thickness | 55 mm |
| Wood species | Pine, oak, douglas fir |
| Surface mass (pine) | 9,1 kg/m² |
| Surface mass (oak) | 10,7 kg/m² |
| Surface mass (douglas fir) | 8,9 kg/m² |
| Openness percentage | 48 % |
Rear surface : acoustic mineral wool tiles 2,4 kg/m2 surfaced with black fleece facing (format 600 x 600 mm ; 20 or 22 mm thickness)
Not supplied by Laudescher
The various data relating to acoustic absorption (αp, αw, absorption class) have been calculated
according to ISO 11654 standard (LINEA + acoustic supplement).
