Acoustic wall panel LINEA 4.2.4 LITE

firsolid woodoak

Product description
Solid wood acoustic panel for wall cladding, designed for screw-on installation on metal or wood framing. Available in silver fir, pine and oak with a range of varnish and wax finishes; clear varnish option available for sensitive environments. Note: rigid back panels (rockwool slabs) are not supplied by Laudescher.

Key features

• Screw-on panel for metal or wood framing; suitable for vertical wall cladding.
• High acoustic performance — weighted absorption index αw = 0.90 (Absorption class A).
• Fire-retardant finish options: Euroclass B‑s1, d0 or B‑s2, d0 depending on timber species and finish.
• Back panel system: rigid acoustic rockwool slabs (2.4 kg/m²) covered with black fleece (600 x 600 mm; thickness 20 or 22 mm) — back panels not supplied by Laudescher.
• Multiple appearance options: clear varnish, fire-treated varnishes, coloured wax finishes; other colours on request.

Panel dimensions and geometry
Panel size: 1880 x 600 mm
Slat cross-section: 42 mm (face) x 20 mm (height)
Slat spacing: 43.71 mm
Centre distance of slats: 85.71 mm
Black rear counter-slats: 34 x 45 mm
Total thickness: 55 mm
Openness percentage: 58%

Acoustic performance
Weighted index: αw = 0.90 — Absorption class A. Acoustic data calculated in compliance with ISO 11654 (LINEA + acoustic complement + LR 20 mm on E50 mm plenum).

Installation & standards

• Installation method: screw-on / screw-down panels.
• Standards: in accordance with NF EN 14915 and DTU 36-2.

Downloads & certificates (available)
Product sheet, acoustic certificate, LINEA colour chart and Cradle to Cradle™ LINEA certificate are available for this product.

Technical characteristics / specifications

• Model: Linea 4.2.4 Lite Wall
• Panel dimensions: 1880 x 600 mm
• Slat cross-section: 42 mm (face) x 20 mm (height)
• Slat spacing: 43.71 mm
• Centre distance of slats: 85.71 mm
• Black rear counter-slats: 34 x 45 mm
• Total thickness: 55 mm
• Timber species: Silver fir, Pine, Oak
• Area density (silver fir): 6 kg/m²
• Area density (pine): 7.8 kg/m²
• Area density (oak): 8.9 kg/m²
• Openness percentage: 58%
• Acoustic: Weighted index αw = 0.90 — Absorption class A (ISO 11654; with LR 20 mm on E50 mm plenum)
• Reaction to fire: Fire-retardant options — Euroclass B‑s1, d0 or B‑s2, d0 depending on wood & finish
• Back panel: rigid acoustic rockwool slabs 2.4 kg/m², black fleece cover, size 600 x 600 mm, thickness 20 or 22 mm (not supplied)
• Installation standards: NF EN 14915, DTU 36-2
• Mounting: screw-on / screw-down panel for metal or wood framing