For ceiling voids greater than 1m
Total Room to Room Attenuation=Rw 50 dB
Test Report ref. SE89-0124

. 2 x 50mm thick Rockwool ‘foil faced’ Fire barrier provides 90 minutes fire integrity and insulation
. Rockfon Suspended Ceiling providing min Rw 30 dB room to room attenuation.

For ceiling voids up to a max of 1m
Total Room to Room Attenuation=Rw 50 dB

. 100mm thick Rockwool ‘foil faced’ Fire Barrier Slab provides 240 minutes fire integrity and 60 minutes insulation

. Rockfon Suspended Ceiling providing min Rw 30 dB room to room attenuation.