Bituver Fonas 2.8

Base layer for the soundproofing of floating floors consisting in a high-weight glass wool roll 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 = 24 dB
S’t = 12 MN/m³
S’ = 50 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 roll’s limited size
High performances with reduced thickness
Adaptability to obstacles, pipes and corners
Reversibility of edges
Odourless and decay-proof

Technical Properties

DIMENSIONS	Length	Width	Thickness	Weight/m²
Fonas 2.8	20 m	1 m	2,8 mm	0,400 kg

Impact noise level	Fonas 2.8
Under bare floor	73,5 dB
Under floor insulated with FONAS TEX	49,5 dB
Impact noise	24 dB¹

¹Test report carried out by Istituto Galileo Ferraris

Dynamic rigidity	Fonas 2.8
S’t	11 MN/m³
S’	50 MN/m³B