Assour Underslab

Premium acoustic solution for floating screed, with high mechanical performances.

Made of fiberglass sheet and surfaced by an elastomeric bitumen compound and a plastic film, Assour 22 Confort is a low thickness solution (< 3 mm) with high acoustic and mechanical performances. It includes a self-adhesive selvedge and is also the lightest and the most convenient solution to install, thanks to its low weight and flexibility.

Suitable for:

  • Acoustic insulation under floating screeds

Can be installed on:

  • New substrates: concrete slab, dry screed, wood panels, plywood, particleboard, OSB boards
  • Old hard flooring: stones, marble, tiling


ΔLw = 22 dB
Long lasting sound-deadening and mechanical performances
Complies with provisions for heated floors
Can be combined with thermal insulation


Length (m) : 20
Width (m) : 1 or 1.2
Thickness (mm) : 2.9
Weight (kg) : approx. 7.8 or 9.6, according to the width

Documents Type
Assour 22 Confort Datasheet EN Technical Datasheet English Download
Assour 22 Confort Datasheet FR Technical Datasheet French Download
Assour 22 Confort Product Description FR Product Description French Download
Assour 22 Confort Certificate EN Certificate Download