Danosa Fonodan 50 is a two layer product made of a self-adhesive high density bitumen membrane thermally bonded to a cross-linked polyethylene. Danosa Fonodan 50 acoustically works as spring between the gypsum board and frame. Scope Impact sound insulation of floorboards. Self-adhesive anti-resonant strip for the improvement of the plasterboard structure. Anti-resonant strip for metal structures on tiled roofs. Advantages & Benefits Acoustic insulation DnTA>50 dBA. By shifting the frequency of coincidence, the lack of privacy that occurs due to the loss of insulation at the previous frequencies (where the human ear is most sensitive) decreases. Easy and quick to install. High resistance to tearing. Improvement of airborne sound level between rigid elements ΔRA>3 dBA. Improves the sound insulation of partition walls or wall linings in single-panel systems by minimising the hollow sound.
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