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The DDS 7900 Security Ceiling System was designed for the high security areas in all of the County, State and Federal Institutions. DDS 7900 Security Ceiling System is the Architects answer to Security, Noise Reduction and Style, the easy to install panels are designed so that the borders on the panels match the ledger angles and support tees. In cell applications these panels offer extreme resistance to kicking by the inmate in the upper bunk. In dayroom and corridor applications these panels offer better visibility and light reflection along with insulation and noise reduction. The DDS 7900 Security Ceiling System is available in standard ready to paint Jet Coat material, Galvanized G90 or finished painted to specifications.

 

DDS 7900A Security Ceiling System

Panel Sections: Sandwich style acoustical ceiling system; formed panel using minimum 16 gauge sheet steel, face to be perforated 3/16" diameter holes on 3/8" 45 degree staggered centers leaving a 2" boarder along the entire length. Panel width is to be 12", 18" or 24" with formed legs 2 1/2" tall and 1/2" formed stiffener. Panel legs are to be securely fastened on 24" centers using #10 TEK screws not accessible from the face. Insulation materials are to be securely held in place using a minimum 16 gauge formed metal backer plate, designed to snap positively within the panel legs.

 

Ledger Angles: 4" x 4" formed style using 12 gauge sheet steel, factory punched for fastening to wall structure.

Ledger Tees: 4" x 6" (2-ea. 2" x 6" angles factory assembled) formed style using 12 gauge sheet steel, factory punched for support rods.

Suspension Rods: 3/8" diameter steel with fixed anchor pad at base end and adjustable yoke at Ledger Tee end

Acoustical Pads: 1 layer of 1 1/2" thick 3/4 lb. density

Noise Reduction: ASTM C-423, minimum N.R.C. of 0.95

Sound Transmission: AIMA 1-11, minimum STC 33

 

DDS 7900B Security Interlocking Ceiling System

Panel Sections: Sandwich style acoustical ceiling system; formed panel using minimum 16 gauge sheet steel, face to be perforated 3/16" diameter holes on 3/8" 45 degree staggered centers leaving a 2" boarder along the entire length. Panel width is to be 12", 18" or 24" with formed legs 2 1/2" tall and 1/2" formed stiffener. Panel legs are to be securely fastened along the entire length using a interlocking flange not accessible from the face. Insulation materials are to be securely held in place using a minimum 16 gauge formed metal backer plate, designed to snap positively within the panel legs.

Ledger Angles: 4" x 4" formed style using 12 gauge sheet steel, factory punched for fastening to wall structure.

Ledger Tees: 4" x 6" (2-ea. 2" x 6" angles factory assembled) formed style using 12 gauge sheet steel, factory punched for support rods.

Suspension Rods: 3/8" diameter steel with fixed anchor pad at base end and adjustable yoke at Ledger Tee end

Acoustical Pads: 1 layer of 1 1/2" thick 3/4 lb. density

Noise Reduction: ASTM C-423, minimum N.R.C. of 0.95

Sound Transmission: AIMA 1-11, minimum STC 33