The various data relating to acoustic absorption (αp, αw, absorption class) have been calculated according to ISO 11654 standard (LINEA + acoustic supplement).
WEIGHTED INDEX : αw = 0,50
ABSORPTION CLASS : Class D
Suspended ceiling
Fitting on T24 grid system
or by screwing :
– Selon NF EN 13964
– Selon DTU 58-1
Reaction to fire possibilities Euroclass B-s1,d0 or B-s2,d0 according to species and finishes.
| Cross-section of slats | 42 mm (face) x 20 mm (height) |
|---|---|
| Spacing between slats | 11,33 mm |
| Centre distance of slats | 33,33 mm & 43,33 mm |
| Black rear counter-slats | 34 x 45 mm |
| Overall thickness | 60 mm |
| Wood species | Pine |
| Surface mass (pine) | 11,9 kg/m² |
| Openness Percentage | 28 % |
Acoustic mineral wool tiles with black fleece facing 120 Kg / m3 surfaced with black fleece facing (format 600 x 600 mm; 20 or 22 mm thickness).
Not supplied by Laudescher
Acoustic absorption was measured as per the ISO 354 standard. The various data relating to acoustic absorption (αp, αw, absorption class) have been calculated in compliance with the ISO 11654 standard (LINEA + acoustic supplement).
