False ceiling acoustic panel LINEA 422 AL

Douglas firsolid woodpine

Short description
Solid wood acoustic panel designed for suspended ceilings, available for T24 grid installation or screw-on mounting.

Characteristics

• Available in two versions: mountable on T24 grid or to be screwed onto metal or wooden subframe
• Installation on T24 grid or by screwing – in accordance with NF EN 13964 and DTU 58-1
• Back panel: rigid acoustic rockwool slabs (2.4 kg/m²) covered with black fleece finish (size: 600 x 600 mm; thickness: 20 or 22 mm) — not supplied by Laudescher
• Finish / Reaction to fire (to EN 13501-1): fire-retardant; Euroclass B‑s1, d0 or B‑s2, d0 depending on wood species and surface finish
• Acoustic performance (with Linea + acoustic complement + 20 mm rockwool on E250 mm plenum): weighted absorption index αw = 0.50; absorption class: D

Wood and finishes

• Wood species: Pine
• Slat finish: clear varnish (varnished finish)
• Wax color finishes available: White, Douglas, Oak, White oak, Cenza, Green, Wenge, Black (wax color noir)
• Counter-slat finish options: wax color finishes (example listed: Noir)

Downloads (available documents)

• 422 AL product sheet (PDF)
• Acoustic certificate 422 AL Ceiling (PDF)
• Cradle to Cradle™ LINEA certificate (PDF)
• LINEA color chart (PDF)

Table - Key dimensions and values
Panel dimensions: 2495 x 600 mm (screw-on only)
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
Black rear counter-slats: 34 x 45 mm
Total thickness: 60 mm
Area density (pine): 11.9 kg/m2
Openness percentage: 28%

Notes
Sound absorption data (αp, αw, absorption class) have been calculated according to ISO 11654 (Linea + acoustic complement + 20 mm rockwool on E250 mm plenum).