Acoustic wall panel LINEA 4.2.4

for false ceilingfirwood

Short description
Solid wood acoustic panel for suspended walls and wall-mounted applications, designed for screw-on installation to metal or wood framing.

Key feature

• Screw-on panel compatible with metal or wood framing systems

Acoustic performance

• Weighted index: αw = 0.85
• Absorption class: Class B
• Sound absorption values (αp, αw, absorption class) calculated per ISO 11654 (LINEA + acoustic complement + LR 20 mm on E50 mm plenum). Measurements per ISO 354.

Finish / Reaction to fire

• Fire-retardant options — Euroclass B-s1,d0 or B-s2,d0 depending on wood species and finish

Installation

• Screw-down installation
• In accordance with NF EN 14915
• In accordance with DTU 36-2

Back panel

• Rigid acoustic rockwool slabs (2.4 kg/m²) covered with black fleece (size: 600 x 600 mm; thickness: 20 or 22 mm). Not supplied by Laudescher.

Dimensions and technical data (table)
Panel dimensions: 2495 x 600 mm
1880 x 600 mm
1265 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
Wood species: Silver fir, pine, oak
Area density, silver fir: 6.8 kg/m2
Area density, pine: 8.9 kg/m2
Area density, oak: 10.3 kg/m2
Openness percentage: 51 %

Wood and finishes
Wood

• Silver fir
• Pine
• Oak

Slat finishes

• Varnish finish: Clear varnish
• Fire-treated finishes: Natural, Douglas, Oak, White oak, Honey (examples shown)
• Wax colour finishes: White, Douglas, Oak, White oak, Green, Cenza, Wenge, Black (examples shown)
• Other colours available on request
• Clear varnish can be added for sensitive environments

Caractéristiques / spécifications techniques

• Product name: Linea 4.2.4 (Wall panel)
• Panel dimensions available: 2495 x 600 mm, 1880 x 600 mm, 1265 x 600 mm
• Slat cross-section: 42 x 20 mm (face x height)
• Slat spacing: 43.71 mm — Centre distance of slats: 85.71 mm
• Black rear counter-slats dimensions: 34 x 45 mm
• Total panel thickness: 55 mm
• Wood species: Silver fir, pine, oak
• Area density: silver fir 6.8 kg/m², pine 8.9 kg/m², oak 10.3 kg/m²
• Openness: 51%
• Acoustic: αw = 0.85, Absorption class B (measured per ISO 354, calculated per ISO 11654 with specified complement)
• Fire reaction: Euroclass B-s1,d0 or B-s2,d0 depending on wood and finish
• Installation: Screw-down for metal or wood framing (NF EN 14915, DTU 36-2)
• Back panel: rigid rockwool slabs 2.4 kg/m² with black fleece (600 x 600 mm; 20 or 22 mm thick) — not supplied by Laudescher