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 ΔRA>4 dBA.
- Improved impact noise level under floorboards ΔLw>22 dB.
- Improved impact noise level under 5 cm mortar ΔLw>21 dB.
- Optimum chemical and thermal resistance.
- Feeling of comfort in the tread.
- Loudness of 70 sone.
