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STC-40 — Acoustical

STC-40 — Acoustical

Specifications:

  • Material:
    • 14 gauge galvanized steel cover and frame with 22 gauge galvanized steel liners    
  • Finish:
    • Mill Finish
  • Cover: Bar
    • 14 gauge galvanized exterior and 22 gauge interior liners divide acoustical insulation consisting of 2” fiberglass insulation, 1” dead air space and 2” rigid foam insulation with a 1/8” acoustical barrier.
  • Curb:
    • 15 ½” in height with 3 ½” pre-drilled mounting flanges and counterflashing with 2” thick fiberglass acoustical insulation protected by a 22 gauge galvanized steel liner
  • Gasket: 
    • Polyurethane Foam Gasket adhered to the entire perimeter of curb
    • Mechanically fastened weather seal
  • Hinges:  
    • Steel Pintle Hinge
  • Springs:
    • Torsion Coil Spring operators to open against a 10 psf snow or wind load
  • Dampeners:
    • Hydraulic dampeners to control cover opening speed and prevent over-travel
  • Latches:
    • Latch designed to open automatically with parting of single 360 degree fusible link or manually with interior and exterior pull release handles without disturbing the fusible link. Designed to hold covers closed when subjected to 240 psf uplift pressure 
  • Hardware: 
    • All hardware is zinc plated (stainless steel hardware optional)
  • Operation:
    • Covers automatically spring open to approximately 90 degrees in the event of fire, being actuated by the parting of a single UL-listed 360 degree F fusible link, automatically locking in the fully opened position
  • Certifications:
    • STC-40 Sound Rating
    • FM Approved

Standard Sizes and Model Number

Model Dimensions Lbs Submittal Data Installation Instructions Specs LEED
U-LP STC-40-4848 4'0" x 4'0" 910
U-LP STC-40-4860 4'0" x 5'0" 935
U-LP STC-40-4872 4'0" x 6'0" 960
U-LP STC-40-4884 4'0" x 7'0" 990
U-LP STC-40-4896 4'0" x 8'0" 1040
U-LP STC-40-6072 5'0" x 6'0" 1030
U-LP STC-40-6084 5'0" x 7'0" 1100
U-LP STC-40-6096 5'0" x 8'0" 1185
U-LP STC-40-60108 5'0" x 9'0" 1255
U-LP STC-40-60120 5'0" x 10'0" 1400
U-LP STC-40-60132 5'0" x 11'0" 1530
U-LP STC-40-60144 5'0" x 12'0" 1662
U-LP STC-40-6672 5'6" x 6'0" 1050
U-LP STC-40-6684 5'6" x 7'0" 1130
U-LP STC-40-6696 5'6" x 8'0" 1250
U-LP STC-40-66108 5'6" x 9'0" 1380
U-LP STC-40-66120 5'6" x 10'0" 1530
U-LP STC-40-66132 5'6" x 11'0" 1675
U-LP STC-40-66144 5'6" x 12'0" 1830
U-LP STC-40-7272 6'0" x 6'0" 1100
U-LP STC-40-7284 6'0" x 7'0" 1210
U-LP STC-40-7296 6'0" x 8'0" 1330
U-LP STC-40-72108 6'0" x 9'0" 1500
U-LP STC-40-72120 6'0" x 10'0" 1682
U-LP STC-40-72132 6'0" x 11'0" 1830
U-LP STC-40-72144 6'0" x 12'0" 1995