422-AL-wall

Laudescher LINEA 422 AL – Wall Cladding

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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 = 0,55
ABSORPTION CLASS : Class D

Wall cladding
Mechanical fixing by screwing:
– Selon DTU 36-2
– Selon NF EN 14915

Reaction to fire possibilities Euroclass B-s1,d0 or B-s2,d0 according to species and finishes.

Additional information

Cross-section of slats

42 mm (face) x 20 mm (height)
or 22 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 %