Description
Sound reduction factor according to test certificate:
- 7 layer version up to ~ 18 dB
- 5 layer version up to ~ 16 dB
Fabrication method 5 layer version:
- Front side: Stage velvet CLIVIA 600, flat.
- Middle layers:
2 x CALMUC, ecru.
1 x PVC film. - Back side: Lining fabric.
Fabrication method 7 layer version:
- Front side: Stage velvet CLIVIA 600, flat.
- Middle layers:
3 x CALMUC, ecru.
2 x PVC film. - Back side: Lining fabric.
Used textiles are flameproof acc. to DIN 4102 B1.
1-2-5-Schallvorhang_1025