Altro Acoustic Underlay 1101 is suitable for use with Altro safety flooring and Altro smooth flooring. When tested in accordance with BS EN ISO 140-8.1998, the combined product meets the requirements of Document E, Resistance To The Passage of Sound, July 2003, BB93 Acoustic Design of Schools (min. requirement 17dB).
Please find specific product data below. For our full range of technical information visit our technical documents section. For any further queries please call our Customer Care Centre on 01462 489516.