a = 42 mm
b = 20 mm
c = 43,71 mm
Panel dimensions | 1880 x 600 mm et 1265 x 600 mm |
Cross-section of slats | 20 mm (face) x 42 mm (height) |
Spacing between slats | 55 mm |
Centre distance of slats | 75 mm |
Black rear counter-slats | 34 x 45 mm |
Épaisseur hors tout | 69 mm |
Wood species | Pine, oak, douglas fir |
Surface mass (pine) | 9,70 kg/m2 |
Surface mass (oak) | 12,25 kg/m2 |
Surface mass (douglas fir) | 9,60 kg/m2 |
Openness percentage | 73 % |
Acoustic mineral wool tiles with black fleece facing 2,4 Kg / m2 surfaced with black fleece facing (format 600 x 600 mm ; 20 or 22 mm thickness). Not supplied by Laudescher
Mechanical fixing by screwing
Reaction to fire possibilities Euroclass B-s1,d0 or B-s2,d0 according to species and finishes.
Acoustic absorption was measured as per the ISO 354 standard. The various data relating to acoustic absorption (αp, αw, absorption class) have been calculated according to ISO 11654 standard (LINEA + acoustic supplement).