Overly Door Co.
574 West Otterman Street
Greensburg, PA 15601
Tel: (800) 979-7300
Fax: (724) 830-2871

overly@overly.com

https://overly.com/

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Overview


Model 470463 Metal Door - Acoustical

Perimeter Seal: Dual Magnetic Gasket

Bottom Seal: Super "H" Door Bottom

Door Thickness: 2.75" / 69.85mm

Min Frame Depth: 6.25" / 158.75mm

Max Leaf Size: 48" x 96"

STC Rating: 47

Max Fire Rating: N/A

Dual Magnetic Perimeter Seals

This door is equipped with a dual Magnetic door sealing system. It consists of a dual magnetic perimeter seal. Magnetic seals allow the use of a wide range of electrical hardware, such as electric locks and strikes. Due to their zero preload against the door leaf, the sensitive electronics are not compromised. Dual magnetic seals also offer a very high acoustical rating.

Isolated Edge Construction

This door uses an Isolated Edge construction, which separates the two outer door skins from each other. A strip of neoprene is installed between the two door skins, reducing the amount of sound transmission through the actual steel faces. The seal is notched between the hinge and lock cutouts and does not interfere with hardware cuts.

Super "H" Door Bottom

Overly's super "H" door bottom is the only choice for unbeatable sound control. Always used in conjunction with our cam-lift hinges, this door bottom compresses tightly against the floor. We recommend smooth level sealing surfaces for this door bottom. Uneven or abrasive flooring may prematurely wear the door bottom. A smooth raised threshold is recommended when using this door bottom.

Recommended Hardware:

Hinges:

Full Mortise Cam-Lift

Suggested Models:

  • Overly MCL-1000

Thresholds:

Saddle

Must have smooth top, no ridges or grooves

Suggested Models:

  • Reese S105
  • Pemko 154
  • NGP 412
  • Zero 164

Pulls:

Surface Mounted

Suggested Models:

  • Rockwood
  • Ives
  • Glynn Johnson

Closers:

Surface Mounted

ANSI 156.4 Grade 1
Rigid arms are not recommended.

Suggested Models:

  • Corbin/Russwin DC2000, DC3000, DC4000
  • Dorma 8600, 8900
  • LCN 4010, 4020, 4041 Super Smoothie
  • Norton 7500, 8500
  • Sargent 250, 251, 350, 351, 1230, 1231, 1250, 1251


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Specifications

Transmission Loss in dB/Hertz - 1/3 Octave Bands
100125160200
32263236
250315400500
40444545
63080010001250
46474747
1600200025003150
50535556
40005000
5760