Alternative STC 40 Wall Options

January 1, 1

STC 40 WALL ASSEMBLY

RFN-NA, optimized acoustics, sound blocking, alternate wall assembly STC 40 -1

Alternate Wall Assembly STC 40-1

STC 40 WALL ASSEMBLY

  • 1/2” gypsum board (type X) – 1 layer one side, 2 layers on the other side
  • 2-1/2” steel studs (25 gauge) spaced 16” on center
  • 2-1/2” thick ROCKWOOL AFB® Semi-Rigid Batt Insulation
  • STC 42 (lab test3 TL-93-065)
RFN-NA, optimized acoustics, sound blocking, alternate wall assembly STC 40 -2

Alternate Wall Assembly STC 45 -2

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