Softlay 21 acoustic underlay has the following primary technical specifications:
- Area weight – 2kg per m2.
- Softlay 21 comes in standard rolls of 7m x 1m and has a thickness of 2.10mm.
Sound and Thermal
- Reflected walking sound up to 21% (EPLF norm WD 021029-5).
- Impact sound up to 19dB (DIN 10140).
- Thermal resistance 0.01 m2 K/W (EN 12664).
- Residual indentation less than 0.5mm (DIN EN 3385).
- Flammability classification Efl as standard, B1fl available on request (DIN EN 13501-1)