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Sound Performance


Sound attenuation of Fastwall is exceptionally good. Again tested under laboratory conditions, solid Fastwall elevations using 12.5mm plasterboard achieved 37dB average SRI.

The addition of a Rockwool quilt increased attenuation by 7dB.

Single glazed 6.4mm has achieved 30dB and two 6.4mm sheets in double glazed has achieved 38 dB. Using a combination of 6.4mm and 8mm glass should provide 42dB.






Minimum components - Maximum choice


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