multifunctional underlay with ventilation feature for floating floors
The acoustic test was completed with Kronoswiss ProVent at NGC Acoustic Testing Laboratory in Buffalo, New York. The aim of this test was to check the compliance of ProVent with the standard requirements of North American laminate flooring association (NALFA). The test results showed very good results surpassing considerably the required level  (IIC ≥50 and STC ≥50). ProVent reached IIC = 71 and STC = 67 accordingly. Basing on the test results Kronospan Schweiz AG will start to market Kronoswiss ProVent in the USA