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Bituver Fonas 31
Base layer for the soundproofing of floating floors consisting in a high-weight non-woven polyester matched with a reinforced bituminous membrane realized with a special compound.
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Descriptions
Base layer for the soundproofing of floating floors consisting in a high-weight non-woven polyester matched with a reinforced bituminous membrane realized with a special compound.
The product is superficially covered with a polyethylene film and has a selvedge on one side and a self-adhesive band on the other side, in order to realize optimal junctions.
Key benefits
Soundproofing of floors from impact noises (floating floors)
Advantages
- Δlnv = 31 dB
- S’t = 15 MN/m³
- S’ = 32 MN/m³
- Easily laid thanks to the roll equipped with a membrane that protects against the screed
- Adhesive selvedge for perfect join between the rolls
- Excellent carriage and storage thanks to the limited size of rolls
- Possibility of waterproofing the room with a second layer of membrane
- Odourless and decay-proof
Technical Information
Dimensions
1.000
8.000
4,2
Documents
Impact noise level
74 dB
Under bare floor
43 dB
Under floor insulated with FONAS 31
31 dB
Improvement in sound absorption of impact noise
Dynamic rigidity
15 MN/m³
S’t
32 MN/m³
S'