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Tested Systems
Wall System STC84

Wall System STC81

Wall System STC77

Wall System STC66

Wall System STC47

Wall System STC36

Wall System STC32

Wall System STC28

WALL SYSTEM - STC 84

WALL SYSTEM - STC 84

CONSTRUCTION ASSEMBLY

ITEM A: 200 mm steel C-Channels, 2.0 mm thick used as horizontal girths, fixed to structural columns at 300 mm vertical centres.
ITEM B: 1 layer of 16 mm plasterboard fixed to one flange of Item A
ITEM C: 92 mm Rondo steel studs, at 600 mm staggered centres, resilient rubber mounted to both faces of Item A. One set of studs is fixed through 16 mm plasterboard (Item B)
ITEM D: Both faces of 16 mm plasterboard (Item B) are sprayed with nominal 50 mm thick ENVIROSPRAY 300.
ITEM E: After adequate curing time for applied ENVIROSPRAY 300 (Item D), 3 layers of 16 mm plasterboard are fixed to both sides of 92 mm staggered studs (Item C)

  • Test Conducted at National Acoustic Laboratories - Sydney

  • Test Report No : ATF 409