BOEN Underlay Polynorm Maxima, 12,5sqm 1m x 12,5m; thickness 2mm High density perfect for wooden subfloors (120 kg/m3). Reduces walking noise (in the room) by up to 16%. Impact sound reduction by up to 21 dB.
› Perfect for wooden sub-floors due to high density (120 kg/m3). › On concrete floors, use an additional layer of 0.2mm moisture barrier. › Reduces walking sound inside the room with up to 16 %. › Best choice for reducing impact sound (structure-borne noise), up to 21 dB.