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Product Details

Single Swinging Flush Metal Tandem Door

Type: Acoustical
Perimeter Seal: Single "H" Gasket
Bottom Seal: Super "H" Door Bottom
Door Thickness: 1.75" / 44.45mm
Min Frame Depth: 10.125" / 257.175mm
Max Leaf Size: 48" x 120"
STC Rating: 57
Max Fire Rating: 3 hr

Single Swinging Flush Metal Tandem Door

Type: Acoustical
Perimeter Seal: Single "H" Gasket
Bottom Seal: Super "H" Door Bottom
Door Thickness: 1.75" / 44.45mm
Min Frame Depth: 10.125" / 257.175mm
Max Leaf Size: 48" x 120"
STC Rating: 57
Max Fire Rating: 3 hr
Transmission Loss in dB/Hertz - 1/3 Octave Bands
100
41
125
45
160
45
200
45
250
48
315
49
400
52
500
53
630
54
800
56
1000
59
1250
61
1600
62
2000
64
2500
67
3150
68
4000
70
5000
71

Single "H" Perimeter Seals

This door is equipped with our patented single Super "H" door sealing system. It consists of a single compression type perimeter seal, along with a metal retainer and cover. Compression seals typically offer higher acoustical ratings The seal is composed of a felt/neoprene combination that forms a tight perimeter seal.

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.

UL Fire Ratings

In addition to acoustical testing, Overly has successfully tested this product to the latest UL fire test standard UL10C/UBC 7-2 (positive pressure).

Recommended Hardware:

Locks:

CylindricalANSI A156.2, Series 4000 Grade 1
3-3/4" Back-set Required
Suggested Models:
  • Best 94K
  • Schlage "D" Series
  • Sargent 10 Series
  • Corbin/Russwin CL3300
MortiseANSI A156.13 Series 1000 Grade 1
3" maximum rosette diameter
Suggested Models:
  • Best 35H
  • Sargent 8200
  • Schlage "L" Series
  • Corbin / Russwin ML2000

Exit Devices:

MortiseANSI 156.3, Grade 1
3" maximum case width
Suggested Models:
  • Sargent 8300
  • Von Duprin 9875/9975
RimANSI 156.3, Grade 1
Suggested Models:
  • Sargent 8800
  • Corbin/Russwin ED6200
  • Von Duprin 98/99
Surface Vertical RodANSI A156.3, Grade 1
Suggested Models:
  • Sargent 8700
  • Von Duprin 9927
  • Corbin/Russwin ED6400

Hinges:

Full Mortise Cam-Lift
Suggested Models:
  • Overly MCL-500

Thresholds:

Saddle
Must have smooth top, no ridges or grooves
Suggested Models:
  • Reese S105
  • Pemko 154
  • NGP 412
  • Zero 164

Closers:

Surface MountedANSI 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

Support Documents:

Cut Sheets

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