Product The Danosa MAD6 Acoustic Bituminous Membrane is a high-performing acoustic underlay designed to significantly reduce impact and airborne noise in various types of floor structures. With dimensions of 4.5m x 1m, this membrane serves as a flexible and versatile solution for sound insulation in residential, commercial, or industrial settings. Manufactured to the highest quality standards, its made from bituminous material that ensures longevity and maximum sound absorption.