Sound Transmission Control (STC) Doors

  • 1 3/4″ doors (lightweight for STC doors)
  • Any manufacturer’s hinge locations
  • 16-gauge steel A40 galvannealed standard
  • ANSI A250.8 Model 2, continuously welded vertical edges (seamless) standard
  • Rust inhibitive prime coat meets ANSI/SDI A250.10
  • Patented STC core design
  • Single doors up to and including STC54
  • Pairs up to and including STC48 (includes factory supplied astragal)
  • All required seals and threshold are included
  • Uses 4-1/2″ heavyweight butt hinges (not supplied), cam lift hinges not required
  • STC frames available, must be solid grouted by others
  • Tested in accordance with ASTM E90-09

Material Options

  • A60

Feature Options

  • Single door vision lites available up to and including STC 48
  • Flush top cap
  • Any manufacturer’s Deadlock prep, Panic prep, and Mortise sectional trim
  • Astragal (for pairs)
  • Up to 90 minute fire label (except STC 54)

Hardware Reinforcements

  • 3/16″ for hinges
  • 12-gauge for locks standard
  • 14-gauge for closers standard
  • Heavier gauge reinforcements available
DCI Hollow Metal on Demand | Stainless Steel Doors | Sound Transmission Control (STC) Doors