For impact sound insulated floor structures, installation of impact sound insulation under wedi Fundo and perimeter isolation strips should be planned: Construction using wedi Nonstep Plan impact sound deadening boards (6 mm rubber granulate insulation element, Δ L W,R = 14 dB in accordance with DIN 52210). Alternatively, approved polythene membranes may be used. Permitted noise level in accordance with DIN 4109 LIn ≤ 30 dB(A) and in accordance with VDI 4100 SSt III ≤ 25 dB (A), caused by water: complied with using wedi Fundo and Nonstep Plan.

• Certainty thanks to a uniform predefined slope
• Entire system is 100% waterproof
• Simple and safe to work with - tested by those in the trade