False ceiling acoustic panel LINEA 4.2.4

solid woodoakpine

Short description
Solid wood acoustic panel designed for suspended ceilings, available for T24 grid installation or for screw fixing to metal or wooden frames.

Characteristics

• Two installation versions: T24 grid compatible or screw-on for metal/wood frames.

Acoustic performance
Weighted absorption index: αw = 0.75
Absorption class: Class C
Sound absorption data (αp, αw, absorption class) calculated in accordance with ISO 11654 (LINEA + LR 20 mm acoustic backing on E250 mm plenum). Measurements performed according to ISO 354.

Finish / Reaction to fire (to EN 13501-1)
Fire-retardant finishes: Euroclass B-s1, d0 or B-s2, d0 depending on wood species and finish.

Installation

• Mounting on T24 grid or by screwing
• Complies with NF EN 13964
• Complies with DTU 58-1

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

Panel dimensions

• Panel sizes: 2495 x 600 mm (screw-on only); 1880 x 600 mm; 1265 x 600 mm
• Slat face x height: 42 x 20 mm
• Slat spacing: 43.71 mm — centre distance: 85.71 mm
• Black rear counter-slats: 34 x 45 mm
• Total thickness: 55 mm
• Openness: 51%

Wood and finishes

• Wood species: jointed pine, silver fir, pine, oak
• Other colours available on request
• Clear varnish option for sensitive environments

Slat finishes
Varnish finish

• Clear varnish

Fire-treated finishes

• Natural (fire-treated varnish)
• Douglas
• Oak
• White oak
• Honey

Wax color finishes

• White
• Douglas
• Oak
• White oak
• Green
• Cenza
• Wenge
• Black

Downloads and certificates
Product data sheet, acoustic certificate, LINEA colour chart and Cradle to Cradle™ LINEA certificate available as product documents.

Technical specifications

• Product: Linea 4.2.4 Ceiling
• Type: Solid wood acoustic panel for suspended ceilings
• Panel sizes: 2495 x 600 mm (screw-on only); 1880 x 600 mm; 1265 x 600 mm
• Slat face x height: 42 x 20 mm
• Slat spacing: 43.71 mm; centre distance: 85.71 mm
• Total thickness: 55 mm
• Rear counter-slats: 34 x 45 mm
• Openness: 51%
• Wood species: Silver fir, pine, oak
• Area density: silver fir 6.8 kg/m2; pine 8.9 kg/m2; oak 10.3 kg/m2
• Acoustic: αw = 0.75 (Absorption class C) — ISO 11654 / ISO 354
• Reaction to fire: Euroclass B-s1, d0 or B-s2, d0 depending on wood and finish
• Installation methods: T24 grid or screwed to metal/wooden frame; complies with NF EN 13964 and DTU 58-1
• Back panel: Rigid rockwool slabs 2.4 kg/m² covered with black fleece (600 x 600 mm; 20 or 22 mm) — not supplied