Velaphone Fibre 22 is a thin under floor soundproofing material, composed with a fibreglass layer bonded to a bitumen coated base. Velaphone Fibre 22 is an impact soundproofing material for treating undercoats under floating screed or plates, slab and under tiles.

Velaphone Fibres 22 is the answer to the current requirements of noise reduction according

  • A French Certificate QB - Qualité pour le Bâtiment

  • the class of emission of volatile substances in indoor air : A+

To ensure continuity of protection and easy installation, the Velaphonehas an adhesive jointing tongue  for the longitudinal joints and an adhesive tape for the transverse joints.

Velaphone Fibre 22

Velaphone Fibre 22

Velaphone Fibre 22

Velaphone Fibre 22

The advantages of Velaphone Fibre 22

∆Lw 22 dB excellent sound performances

Applying under screed, slab and under tiles

Fast and easy apply due to the adhesive jointing tongue


The thin underfloor layer is composed of mix of selected bitumen and thermoplastic polymers. Thanks to a polyester powerside, the product has an excellent resistance to tearing.


The impact noise index (∆Lw de 22 dB) is a reference for the market of thin acoustic underlayer product.