The PDF’s below are a guide to the acoustic performance of Wintec’s aluminium windows & doors. The Rw (Weighted Sound Reduction Index) ratings are results of tests conducted at the National Acoustic Laboratory.
All tests conducted at the National Acoustic Laboratory in accordance with Australian Standard AS1191.
Air leakage tests conducted in accordance with Australian Standard AS/NZS 4420.1:2016
See our acoustic charts on the page 17 of the Wintec Systems Performance Resuilts Guide.
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