plaques disolation phonique 500x1000x 25 mm noma acousticNeed some peace and quiet? The NOMA dimpled foam sound insulation system is the solution. Product features of the NOMA sound insulation system 0. 5 m x 1 m: This is an opportunity not to be missed: this special interior wall insulation provides excellent soundproofing and is easy to install. Thanks to its very large surface area, the insulation absorbs noise and reduces sound levels by up to 40%. The black polyurethane foam is easy to cut and can