
System · Wall linings
Wall lining TR-4
SOPREMA · Airborne noise · TR-4
TECSOUND® FT 75 on the existing wall, then a free-standing metal frame on a damping strip, with mineral wool and a 15 mm plasterboard.
Acoustic performance
56.0 dBA
System layers
- 1Existing wall
- 2TECSOUND® FT 75 (11 mm; 7.6 kg/m²)
- 3TECSOUND® S50 BAND 50
- 4Galvanised steel frame (48/46 mm, at 600 mm)
- 5Mineral wool (45 mm; 50 kg/m³)
- 6Plasterboard 15 mm



