SCIF Container Series | Part 5: Perimeter Wall Specifications – Wall C

Wall C is suggested to be used for Plywood. The list below and accompanying diagram list all construction specifications for Wall C.
  • Three layers of Gypsum Wall Board (GWB) ⅝ inch-thick
    • Two layers on the uncontrolled side
      • Sound group 4
    • One layer over min. ½” plywood on the controlled side
      • CTTA recommended countermeasures: (foil backed GWB or a layer of approved Ultra Radiant R-Foil) must be put up for RF shielding. In accordance with IAW, the foil will be located between the layer of plywood and GWB
  • ½” Plywood attached 8’ vertical by 4’ horizontal to 16 gauge studs using glue and #10 steel tapping screws at 12 o.c.
  • Gypsum Wall Board must be mounted to the Plywood with screws and avoiding contact with studs to ease any acoustic flanking path
  • 16 gauge continuous track (top and bottom) with anchors at 32” on center max.)
    • Bed will be in a continuous bead of acoustical sealant
  • Fire safe non-shrink grout, or acoustic sealant in all voids above/below track on both sides of the wall
  • Entire wall shall be finished and painted from true floor to ceiling


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Technical Specifications for Construction and Management of Sensitive Compartmented Information Facilities
SCIF Container Series | Part 1: Site Evaluation
SCIF Container Series | Part 2: Design Planning Checklist
SCIF Container Series | Part 3: Perimeter Wall Construction – Wall A
SCIF Container Series | Part 4: Perimeter Wall Specifications – Wall B

Information has been gathered from sources deemed reliable but not guaranteed and is subject to change without notice. The information contained in this site is provided for informational purposes only.