
Floor
- 1 Wooden slab
- 2 Lightened mortar
- 3 IMPACTODAN® 5 acoustic insulation
- 4 Self-leveling mortar ARGONIV® 420 Élite
- 5 Finishing
Floating roof
- 6 Rock wool acoustic insulation
- 7 Double 15 mm plasterboard type FOC
- 8 15 mm laminated plasterboard
- 9 Plasterboard structure
Advantages
Application
Graph

Technical Requirements
Function | Product | Description | Property | Value |
---|---|---|---|---|
Acoustic insulation for impact noise | IMPACTODAN® 5 | Chemically cross-linked and foamed polyethylene sheet | ΔLW ------ ΔRA | 19 dB ------ 4-8 dBA (according to the mortar thickness) |
Cementitious screed | ARGONIV® 420 Élite | Quick-drying self-leveling mortar. | Yield | 72 kg/m² |
Acoustic insulation at medium and high frequencies | Rock wool | Rock wool panel | ΔRA |
Recommendations
Note: This sheet is included in an acoustic box-in-box system
Unit of Work
Acoustic insulation on wooden floor, consisting of:
Lightened mortar on the wooden base board of 4 cm and 2 cm of regularization mortar, cross-linked polyethylene sheet certified by D.I.T 439 R/16, IMPACTODAN® 5; 5 cm thick mortar, including proportional part of lap and perimeter bands, ready to install the finishing.
Double plasterboard with fire treatment for fire resistance of 60 min, with mineral wool 70 kg/m³ density and 40 mm thick between timbers, and ready to install decorative ceiling.
Lightened mortar on the wooden base board of 4 cm and 2 cm of regularization mortar, cross-linked polyethylene sheet certified by D.I.T 439 R/16, IMPACTODAN® 5; 5 cm thick mortar, including proportional part of lap and perimeter bands, ready to install the finishing.
Double plasterboard with fire treatment for fire resistance of 60 min, with mineral wool 70 kg/m³ density and 40 mm thick between timbers, and ready to install decorative ceiling.