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Acoustical Metal Doors

Metal Doors

Overly's acoustical metal doors have STC ratings from 43 to 57. Metal doors are provided with metal framing systems and most models can be installed in either interior or exterior locations. Because of our unique manufacturing methods and patent pending designs, Overly acoustical wood doors achieve a higher STC rating and are lighter weight than most comparable doors on the market.

METAL DOOR Applications

Applications for metal sound control openings continue to expand as the need for quiet spaces in buildings evolves.

Designed for either interior or exterior uses, these products can be used in a variety of both public and private institution installations including: Performing Arts Centers, Movie Theaters, Concert Halls, Conference and Meeting Rooms, Broadcast and Recording Studios, Offices , Hospitals , School Classrooms, Music Practice Rooms, Airports, Auditoriums, Libraries, Medical Offices, Worship Facilities, SCIF Spaces, Military Installations, Engine Test Cells, Manufacturing and Industrial Applications as well as Theme Park Rides.

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Sizes

  • Personnel size, which is up to 4' x 10' single & 8' x 10' pairs;
  • Oversized, which is any opening larger than personnel size in any dimension. These doors require additional thickness to provide necessary structural integrity

Finishes

Metal products receive a coat of rust inhibitive primer. Zinc-rich and other select primers are available. Consult your local representative for more information.

FIRE RATINGS

Overly fire rated products have been tested and certified by Underwriters Laboratories in accordance with Standard for Safety UL 10C. All products that are eligible to be fire rated and bear the UL Listing Mark are built in accordance with our written UL procedures covering each product type.  Fire ratings available from 3/4 hr up to 1-1/2 hrs for all metal acoustical doors with some models available up to 3 hrs.  Additionally, flush doors are available with 250, 450 or 650 degree temperature rise.  Consult factory with your specific project fire rating needs.

SWINGING METAL DOORS

  • Frame gasketing systems include:  Single & Dual Overly "H" compression seals & Single & Dual Magnetic Seals.
  • Door bottoms sealing systems include: Semi-mortised automatic & Overly Super "H" compression types.
  • Hinges include: Level swing ball bearing type on doors with automatic door bottoms & Overly MCL-500 Cam-lift hinges when Overly Super "H" door bottom is used.
  • Pairs of doors meeting stile astragals include: Surface-mounted compression type; surface mounted magnetic type; and for pairs with both leaves active, a surface mounted split type.
  • Vision lights include: Single glazed clamp-on; dual glazed flat loose stop.
  • Sheet metal materials used for fabrication include: A1008 cold rolled; A924 galvannealed with A60 coating; type 304 or 316 stainless with #4 finish.

In addition, Overly offers the following Swinging Metal Doors for specialized applications: an STC 46 dual glazed full light door for applications that require excellent acoustical performance & maximum visibility; a fully tested STC 48 pair of doors that allows both leaves to be active for exit door application.; Overly also has the unique distinction of having models that utilize single & dual magnetic seals which, when tested, obtain STC ratings from 46 to 50 without use of a positive latching device for when push/pull operation is required.

Additional performance options that can be incorporated into some door models include: airtight, blast/pressure-resistant, & UL bullet resistant requirements. Depending on the individual design criteria, all features may not be available for each Overly Door model. Consult the factory with your project specific needs to determine availability. To assist in determining hardware compatibility with Overly Acoustical Doors, a hardware information bulletin has been created & is available.

OVERSIZE ACOUSTICAL DOORS

Oversized Acoustical Doors are for any opening larger in any dimension than 4' x 10' single or 8' x 10' pair personnel size. These doors require additional thickness and are custom designed to provide necessary structural integrity in order to maintain the acoustical performance. Additionally, these doors utilize custom designed multi-point camming latch systems to ensure acoustical sealing, even for the largest size openings.

Oversized Doors are not available with Fire Labels, but Overly will certify that units are fabricated from UL fire-resistant materials and assembly techniques. Not all features are available for all models. Consult factory for your specific needs to determine availability.

Typical installations for Oversized Doors include: large test cells, theater stage doors, mechanical rooms and convention centers. 

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