GBTLA 30b
Double Frame - Timber
- Sound Transmission Class:
- 58
- Rw:
- 57
- Fire Resistance Rating:
- 30/30/30
- Lining:
- 2x 10mm GIB Braceline®/GIB Noiseline® one side, 1x 10mm GIB Braceline®/GIB Noiseline® other side
- LB/NLB:
- LB
- Partition:
- 235mm wide

Overview
CAD Details