Bituver Fonas 31

Acoustic insulation
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

Documentation

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Scheda tecnica
Certificati
7 datasheets related with the product
7 datasheets related with the product
fonas-31-Lnw-57-Verona.pdf
Fonas-31-Lnw-59-dB.pdf
Rapporto-prova-in-laboratorio-acustica-Rigidita-dinamica_Fonas-31.pdf
Rapporto-prova-in-laboratorio-acustica_Fonas-31.pdf
Rapporto-prova-in-opera-acustica_Livello-rumore-calpestio_Fonas-31_Pavimento-interpiano.pdf
sg-isover-acustica-prova-in-laboratorio-fonas-31-rigidita-dinamica.pdf
sg-isover-acustica-prova-in-opera-livello-rumore-calpestio-fonas-31-pavimento-interpiano-latina.pdf

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'