Rothoblaas - Soundproofing Solutions Page 61
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TECHNICAL DATA Properties standard value USC conversion Thickness - 4,2 mm 0.17 in Surface mass m - 6 kg/m2 1.23 lb/ft2 kg/m3 93.64 lb/ft3 Density ρ - 1500 Resistance to airflow r ISO 9053 > 100 kPa·s·m-2 - Compressibility class EN 12431 class CP2 - CREEP viscous sliding under compression (1.6 kPa - 33.4 psf) EN 1606 0,5 % - Increase of sound reduction index ΔRw(1) ISO 10140-2 4 dB - Vibration damping - loss factor η (200 Hz) ASTM E756 0,25 - Thermal resistance Rt - 0,1 m2K/W - Thermal conductivity λ - 0,7 W/m·K 0.404 BTU/(h·ft2 ·°F) Specific heat c - 900 J/kg·K 0.22 BTU/(lb·°F) Water vapour resistance factor μ EN 12086 20000 420 MN·s/g Water vapour transmission Sd - 80 m 0.043 US perm Reaction to fire EN 13501-1 class E - (1)Measured in the laboratory on a 170 mm (6 3/4’’) timber-framed wall. See the manual for more information on configuration. SOUND REDUCTION INDEX LEVEL MEASUREMENTS Tests carried out in the Building Envelope Lab of the Free University of Bozen/Bolzano in accordance with EN ISO 10140-2 have made it possible measured the impact noise level of the construction assembly described below: BASIC CONFIGURATION: timber frame structure (s: 170 mm - 6.7 in) 2 plasterboard panel (s: 12,5 mm - 0.5 in) stot = 19,5 cm 1 2 Rw = 48 dB STCASTM = 48 1 2 +2,5 cm 1 timber frame structure (s: 170 mm - 6.7 in) 2 2x plasterboard panel (s: 12,5 mm - 0.5 in) Rw = 52 dB STCASTM = 53 ΔRw= +4 dB 2 stot = 22 cm CONFIGURATION 1: 1 2 CONFIGURATION 2: 1 timber frame structure (s: 170 mm - 0.5 in) 2 SILENT WALL BYTUM (s: 4,2 mm - 0.17 in) Rw = 53 dB 3 plasterboard panel (s: 12,5 mm - 0.5 in) STCASTM = 50 ΔRw= +5 dB stot = 20,3 cm +0,8 cm 2 3 1 3 By using SILENT WALL BYTUM you can save space and achieve better results. graphs and frequency values available See the manual for more information on configuration Use the QR-code to download the complete manual! www.rothoblaas.com AIRBORNE NOISE | SILENT WALL BYTUM | 63
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