Acoustic decoupling between in-situ concrete stair landings and the stair flight. Due to the use of the Egcoscal NG staircase bearings, an impact sound reduction at least 31dB is achieved.
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The impact sound insulation is tested by SG Bauakustik:
Further Information about our Egcoscal NG range and the valid documents you can find on the product page: Stair flight decoupling