STC RATING AND NOISE REDUCTION |operable walls|acoustic|stc rating|operable partitions Skyfold has an excellent acoustic STC rating of 51. A standard Skyfold partition is 260 mm thick with two independent planes of steel panels separated by an 146 mm air space that creates an anechoic chamber.Autolift Wall systems have been tested with ASTM E90 for sound transmission and the tests yielded an STC rating of 51. Better yet, the system was shown to retain its sound-separation capabilities over the life of the wall! There are also a variety of panel finishes available that offer desired NRC properties. offers superior sound separation capabilities with an STC rating of It is typically superior than other conventional operable wall systems of equivalent STC ratings. Weight of a 60' x 20' Skyfold wall as compared to a conventional operable wall of similar size and STC rating offers superior sound separation capabilities with an STC rating of other conventional operable wall systems of equivalent STC ratings. |