Operable Walls ANC-400MD STC 50

Operable Wall ANC Series 400 3 1/4″ (82mm) thick operable walls for general purpose applications have high density panel faces machine bonded to metal frames providing strength, mass and stability.






Technical Data
Product Specifications
Cad Drawings
Owners Manual
Manual Specs


ANC Soundproof Operable Walls are installed throughout all types of educational institutions, convention centers, hotel conference rooms and meeting rooms, medical and religious facilities, corporate offices, training facilities, restaurants and lounges, apartment complexes and homes worldwide. This is just to name a few.


ANC- Series 400 operable walls have attained ratings of STC 50, STC 47 and STC 44.

ISO MD COLORANC Model 410MD Multi-Directional, individual panels, easily negotiate 90 degree 2, 3, and 4-way track intersections.

Each panel can be turned in any direction, anywhere along the track grid allowing the panels close off alternative openings and/or be stored in alternate locations when not in use.

Moduflex Model 410MD panels are available in heights to 16’0″ (4877mm).

Acoustical Data – The following lists some common features and available operations of Series 400 operable walls.

  • Walls available to 16′ (4877mm) high.
  • Acoustically rated to Sound Transmission Class (STC) 50.
  • Class A flame spread rated panels have non-combustible, high density faces machine bonded to one-piece, unspliced metal frames.
  • Standard Sheer Look® wrap-around panel edges.
  • Optional additional protective edge-of-face trim available for those customers who need extra edge protection.
  • Strong, protective, universally interlocking framing astragals on both panel edges of every model made of steel for extra impact strength.
  • Astragals are self-mating, deep-nesting, labyrinth-style with sound seals spaced far apart for optimum acoustical performance.
  • Continuous horizontal top and bottom seals.
  • All seal mechanisms are outside the panel frames for access for serviceability.
  • Quiet, smooth, aluminum track systems with integral metal soffits.
  • Solid, sturdy, acoustically-tight, adjustable pass doors with optional Auto-closer hydraulic door closers, exit (panic) hardware, and photo-luminescent exit signs.
  • All panels are unitized for torsional rigidity and acoustical tightness. We do not offer models having gypsum faces loosely contained in aluminum frames.
  • Electric operation with SafetyFlex™ safety devices.

Operable Walls Case Study

Private School in Orlando, FL wanted to divide play areas from some cafeteria areas, School has high ceilings and the loud sound is caring through, School owner was looking for a wall divider with high sound absorption and was looking for a portable wall that can be removed for some school celebrations.

All noise control proposed a solution with Operable Wall Divider.  Operable folding walls and folding partitions offer a solution for schools and colleges looking for a flexible approach to managing their available space.

Operable Wall available to 16′ (4877mm) high and Acoustically rated to Sound Transmission Class (STC) 50. Operable Wall has protective edge-of-face trim available for extra edge protection.

Operable partitions work exceptionally well as dividers for schools and nurseries.

After Installing Operable Walls School was very happy with end result and would like to use All Noise Control for all their future needs.