FireCrunch exceeds BCA minimum requirements for airborne sound insulation for a wall between attached dwellings or intertenancy walls and meets the highest possible AAAC acoustic rating of 5 stars.
BCA Compliant Rw 62 plus ctr =net Rw 52 on DOUBLE STUD DISCONTINUOUS FRAME 76MM and 90MM Ask us for AS 717 certificate BCA Volume 2 Part 3.8.6 – Sound insulation to Rw62 Plus +Ctr net 52.