Sonablock Wood Wool Acoustic Panel 25mm · 1.5mm fibre

Natural wood wool cement board (WWCB) acoustic panels made from sustainably sourced wood fibres bound with Portland cement. Sonablock Fiber delivers genuine sound absorption, Euroclass B-s1,d0 fire rating, and a distinctive tactile texture for demanding commercial and public interiors. Manufactured by Stiga RM — a PEFC-certified Latvian producer. Tested by RISE Research Institutes of Sweden and classified by an EN ISO/IEC 17025 accredited laboratory. Acoustic Performance Sound absorption coefficient αw 0.60 (Fiber 1.0 mm, ODS 200 mm) — Absorption Class C Sound absorption coefficient αw 0.65 (Fiber 1.5 mm, ODS 200 mm) — Absorption Class C Tested per SS-EN ISO 354 / SS-EN ISO 11654 by RISE Research Institutes of Sweden (report O100282) Fire Safety Euroclass B-s1,d0 per EN 13501-1:2018 Low smoke production (s1) · No flaming droplets (d0) Classified K25/2026 by accredited Latvian testing laboratory Valid for wall and ceiling installations with and without air gap Technical Specifications Thickness 25 mm Fibre width 1.0 mm / 1.5 mm / 2.0 mm Panel sizes 600×600 mm · 1200×600 mm · 2400×600 mm Weight 11 kg/m² (natural) · 10.65 kg/m² (painted) Thermal conductivity λ 0.067–0.070 W/m·K (EN 13168) Density 410 kg/m³ (1.0 mm) · 445 kg/m³ (1.5 mm) Max. relative humidity 90% RH Edge profiles B0, B5, B11, A24, E24, E24/90, C Designation WW-EN13168-L4-W2-T2-S2-P2-Cl3 Available Colours Natural (unpainted) · White RAL 9010 · Light Grey RAL 7035 · Dark Grey RAL 7004 · Black RAL 9011 Custom RAL / NCS colours available on request — contact us for a quote. Certifications CE marking per EN 13168:2012+A1:2015 Declaration of Performance (DoP SB 1.1) PEFC Chain of Custody (BMCERT-PEFC-COC-00175, valid to Feb 2028) Environmental Product Declaration — EPD-IES-0031288 (valid to 2031) No added formaldehyde · REACH compliant Prices are per m² excluding VAT. Minimum order: 1 pallet (30.96 m²) — orders below 1 pallet incur a +€255 surcharge. Contact us for project quotes, custom sizes, or edge profile options.