HERADESIGN® Fine 25mm

Knauf Ceiling Solutions GmbH & Co. KG

Description

Finely textured acoustic panel made of wood wool, 25 mm, with good acoustic properties

More Over

Good sound absorption (0.65 (LH) αw and 0.70 NRC)
Excellent sound absorption (0.90 (L) αw and 0.90 NRC) with an additional 25 mm mineral acoustic layer
Excellent ball impact resistance for ceilings and walls (class 1A)
Good fire performance (B-s1,d0)
Various colour options: standard, vario-design, RAL, NCS
Ideal for many rooms, including sports halls, offices or classrooms

Technical Information

Dimensions (mm): 600 x 600, 625 x 625, 1200 x 600, 1250 x 625, other sizes on request
Thicknesses (mm): 15, 25, 35
Weight (kg/m²): 8.2 (15mm), 13.3 (25mm), 17.5 (35mm)
Standard flank sound level difference: Dn,f,w up to 55 dB according to DIN EN ISO 10848-2:2006
Ball impact safety: Ball-impact-proof according to DIN 18 032/Part 3 or Class 1A according to EN 13964 Annex D, ball-impact-proof for panel thicknesses ≥ 25mm
Ceiling mounting system B2.1, B2.2, C2.1
Wall mounting system B2.1, B2.2, S2.1
Fire resistance class: EI 30 (a←b): detailed construction according to proof of usability
Reaction to fire: Euroclass B-s1,d0
Thermal conductivity: λ = 0.09 W/mK according to EN 12667
Fire resistance: Suitable for rooms with a constant relative humidity of up to 90 %
Area of application: As decorative and acoustically effective suspended ceilings and wall coverings for indoor and covered outdoor areas (25 or 35 mm) that are not exposed to direct weather influences such as rain or pollutant loads
Designation code: WW-EN 13168-L4-W2-T2-S2-P2-Cl3
Special notes:
Manufacturing tolerance to nominal dimensions: L4, W2, T2: ± 1mm, for lengths > 1250mm L4: ± 2mm
Max. dimensional changes to standard climate 23° C/50 % relative humidity: ±1 ‰

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