Acoustic wall panel LINEA 422 AL

varnished woodDouglas firsolid wood

Short description
Solid wood acoustic panel for wall cladding.

Key features

• Screw-on panel designed for fixing to metal or wood framing
• Screw-down installation in compliance with NF EN 14915 and DTU 36-2
• Rigid acoustic rockwool back panels (2.4 kg/m²) covered with black fleece (600 x 600 mm; thickness 20 or 22 mm) — not supplied by Laudescher
• Fire-retardant finishes: Euroclass B-s1, d0 or B-s2, d0 depending on timber species and finish

Acoustic performance
Weighted sound absorption index: αw = 0.55
Absorption class: Class D
All acoustic data (αp, αw, absorption class) calculated in accordance with ISO 11654 (LINEA + acoustic complement + LR 20 mm on E50 mm plenum).

Panel construction / visuals

• Black rear counter-slats: 34 x 45 mm
• Total thickness: 60 mm
• Openness percentage: 28%
• Timber species: Pine

Wood and finishes

• Wood: Pine
• Slat finish: Clear varnish
• Wax-colour finishes: White, Douglas, Oak, White oak, Cenza, Green, Wenge, Black (Wax colour noir)
• Counter-slat finish: Wax-colour examples include Noir

Panel dimensions / slat geometry
Panel dimensions:
2495 x 600 mm
1880 x 600 mm
1265 x 600 mm

Slat cross-section:
42 mm (face) x 20 mm (height) and 22 mm (face) x 20 mm (height)

Slat spacing: 11.33 mm
Centre distance of slats: 33.33 and 43.33 mm

Installation notes
Screw-down installation for wall panels; to be fixed to metal or wood framing.

Downloads available
Product sheet, acoustic certificate, LINEA colour chart and Cradle to Cradle certificate available as PDF downloads.

Technical specifications

• Panel dimensions: 2495 x 600 mm; 1880 x 600 mm; 1265 x 600 mm
• Slat cross-section: 42 x 20 mm (face x height) and 22 x 20 mm (face x height)
• Slat spacing: 11.33 mm
• Centre distance of slats: 33.33 mm and 43.33 mm
• Black rear counter-slats: 34 x 45 mm
• Total thickness: 60 mm
• Timber species: Pine
• Area density (pine): 11.9 kg/m2
• Openness percentage: 28%
• Acoustic weighted index: αw = 0.55 (Absorption class D) — measured per ISO 11654 with LINEA + LR 20 mm on E50 mm plenum
• Reaction to fire: Fire-retardant, Euroclass B-s1, d0 or B-s2, d0 depending on wood and finish
• Back panel: rigid acoustic rockwool slabs (2.4 kg/m²) covered with black fleece (600 x 600 mm; 20 or 22 mm) — not supplied by Laudescher
• Installation standards: NF EN 14915; DTU 36-2