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Fonodan 900 is a two layer product made of a self-adhesive high density bitumen membrane thermally bonded to a cross-linked polyethylene. Fonodan 900 acoustically works as shock absorber in mass-spring-mass system in floor, and removing resonant frequencies in plasterboard system.

Scope

• Damp-proof and separation barrier for floating floor finishes.
• Complements the IMPACTODAN system.
• Acoustic renovation of slabs.
• High acoustic performance sprung floor systems, such as hotels, residences, etc. and wherever less interior noise is required.

Advantages & Benefits

• Offers minimal irregularities to exisiting flooring.
• Vapour barrier.
• Good resistance to compression.
• Reduces the noise of the platform itself. Lower volume.
• Long life expectancy.
• High resistance to tearing.
• Inexpensive, easy and efficient installation.
• The aluminium sealing tape reduces the static charge.
• Improvement of airborne sound level between rigid elements RA>4 dBA.
• Improved impact noise level under floorboards Lw>22 dB.
• Improved impact noise level under 5 cm mortar Lw>21 dB.
• Optimum chemical and thermal resistance.
• Feeling of comfort in the tread.
• Loudness of 70 sone.