- Underlay Certificate Submitted with a '5-Star Rating'.
Please note:
“5 Star Rating” means the 5 Star Rating of the Association of Australian Acoustical Consultants, or such other standard as amends or enhances that rating from time to time. Namely:
-
- Airborne Sound Insulation of not less than DNT,W + CTR= 50,
- and Impact Sound Isolation of not more than LNT,W = 45
- Flooring and Underlay Specifications
- Council Requirements have been met by the owner.