Laudescher LINEA 42 AL – Suspended Ceiling

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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).

WEIGHTED INDEX : αw = 0,65
ABSORPTION CLASS : Class C

Suspended ceiling
Fitting on T24 grid system
or by screwing :
– Selon NF EN 13964
– Selon DTU 58-1

Additional information

Cross-section of slats

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

Spacing between slats

19 mm

Centre distance of slats

50 mm

Black rear counter-slats

34 x 45 mm

Overall thickness

77 mm

Wood species

Pine

Surface mass (pine)

13,5 kg/m²

Openness Percentage

38 %

Rear Surface

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

Acoustic Results

The various data relating to acoustic absorption (αp, αw, absorption class) have been calculated
according to ISO 11654 standard (LINEA + acoustic supplement).

Acoustic 42-AL-ceiling

Documentation