Series 4166 Dual Wall Sound Door FSTC 41

For higher sound control in meeting spaces, medical facilities or religious institutions, this series takes sound attenuation to a higher level. This is a high quality industrial door, with an FSTC of 41*, it features a perimeter seal, acoustic lining and heavy-duty hardware. The 4166 is constructed using dual 6″ panels.

Certified FSTC 41

Product Specifications

  • Panels: 6” wide by 1⁄2″ thick with routed edge for vinyl hinging
  • Material: Medium Density Fiberboard
  • Panel Connectors:  Flexible vinyl, color-coordinated to panel selection, inserted and attached into routed edges
  • Track:  2” x 1-1/4” aluminum, pre-punched for screw fasteners for surface mounting
  • Hinge assembly: 16 gauge steel, pantograph action for dual-wall  door assembly
  • Sound Seal: Dual-wall door with internal acoustic material, flexible vinyl sweep strips mounted on top and bottom of the door. Wood molding mounted on both sides of track forming a wide sweep surface
  • Acoustical liner: Applied to inside faces of both walls
  • Wheels: Nylon-tired steel ball bearing wheels; 4 wheeled carriers on each volute and at lead post
  • Lead Post: Extruded aluminum, 3-7/16” x 4-7/8” cross-section, with jamb molding
  • Jamb Molding: 2-1/8” wide by 15/16” deep aluminum
  • Handle: Metal 
  • Latch: Cylinder Thumb Turn 2 Sided, with key lock options available
  • Width: Maximum 150 sq ft moveable sections
  • Height: Laminates up to 10′ 1″
  • Stack Width: 14 1/2″
  • Stack Space: 2-¼” per foot plus 9” for each lead and anchor

*Field Sound Transmission Class: The dual-walled 4166 Acoustic Partitions have field sound transmission class rating (FSTC) of 41. Field tests were performed by Acoustic Engineer of Eugene Oregon following the procedures specified in ASTM designation E 336-96.

Product Catalog

Installation Instructions

Color Card