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RJS Aluminium

5 Cottam Avenue
Bankstown NSW 2200



(02) 9790 3445



(02) 9796 1944




Appendix A: Acoustic Performance for RJS Aluminium Windows & Doors
The table below is a guide to the acoustic performance of RJS Aluminium Windows & Doors.
The Rw (Weighted Sound Reduction Index) ratings are derived from a combination of:
  • Generic test results on a series of windows & doors, compiled in February 2000 for the Australian Window Association.
  • Base Acoustic ratings of flat glass from glass manufacturers.
  • Air leakage tests conducted in accordance with AS 2047-1999 in NATA register laboratory No. 14093.
  • Independent Acoustic tests conducted in accordance with AS 1191-1985 & as 1276-1999.