Australian Standard aluminium double glazed windows folding glass window ventilation bifold window on China WDMA patio door 5) Colour: silver

5) Colour: silver

26315789473688px

Up grade the building

Superhouse's advantages:

we can provide measurement and installation guidance

Australian Standard aluminium double glazed windows folding glass window ventilation bifold window on China WDMA patio door 5) Colour: silverCertifications ACOUSTICS TESTED WINDOWS & DOORS Sound or acoustic performance of a window is measured by the weighted sound reduction index or Rw value. Rw values are determined by measuring the reduction in dB achieved where a window is used to insulate against a sound source. The Rw value will increase as the acoustic performance of a window improves, so that a window with an Rw value of 40 has a signi cantly improved acoustic performance over a