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Misselsystem-Abwasser® MSA 4 Branch Structure-borne sound insulation for cast iron sewer branches; tear-resistant, padded and seam-reinforced soundproofing sleeve with integrated quick-release fastener; closed-cell polyethylene foam, fibre padding layer made of firmly needle-punched fibres, additionally reinforced with a tear-resistant mesh fabric, mesh fabric knotted at the intersections. Airborne sound level in the adjacent room below 21 dB(A) – Sound insulation class III according to VDI 4100. When offering equivalent alternative products, the following key product characteristics must be observed and documented in writing to the client by means of manufacturer’s certificates: robust, tear-resistant surface to prevent damage during the construction phase; this serves to avoid structure-borne sound bridges simple and quick installation thanks to a tool-free quick-release fastener to reduce installation times. Building material class according to DIN 4102-1: B2 Building material class according to DIN EN 13501-1: EL Water vapour diffusion resistance factor according to ISO 1663: m³ 3000 Temperature resistance (continuous): from -20°C to +90°C Delivery size: 1 piece Insulation layer thickness: 4 mm For cast iron sewer pipes DN 100Misselsystem-Abwasser® MSA® 4 – Structure-borne sound insulation \r Structure-borne sound transmission through pipes and into the building structure can be reduced using MSA 4 structure-borne sound insulation. MSA 4 consists of tear-resistant, padded open or closed hoses and fittings for cast iron sewage pipes.
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