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Product Details

Acoustical Metal Door

Type: Acoustical
Perimeter Seal: Double Bubble
Bottom Seal: Semi-mortised Automatic
Door Thickness: 1.75" / 44.45mm
Min Frame Depth: 4.75" / 120.65mm
Max Leaf Size: 48" x 96"
STC Rating: 43
Max Fire Rating: 1-1/2 hr

Acoustical Metal Door

Type: Acoustical
Perimeter Seal: Double Bubble
Bottom Seal: Semi-mortised Automatic
Door Thickness: 1.75" / 44.45mm
Min Frame Depth: 4.75" / 120.65mm
Max Leaf Size: 48" x 96"
STC Rating: 43
Max Fire Rating: 1-1/2 hr
Transmission Loss in dB/Hertz - 1/3 Octave Bands
100
25
125
29
160
33
200
34
250
33
315
40
400
39
500
39
630
41
800
44
1000
46
1250
42
1600
43
2000
46
2500
50
3150
52
4000
53
5000
53

Semi-Mortised Door Bottom

A semi-mortised automatic door bottom is always supplied with this assembly. This door bottom allows for a higher undercut. Automatic door bottoms are a good choice when flooring conditions are unknown, as they offer up to a 3/4" undercut.

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" maximum rose diameter
Suggested Models:
  • Best 94K
  • Schlage "D" Series
  • Sargent 11 Series
  • Corbin/Russwin CL3300

Exit Devices:

MortiseANSI 156.3, Grade 1
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:

Heavy WeightANSI A5111 or A8111
5" x 4-1/2"
Suggested Models:
  • Hager BB1168
  • Hager BB1199
  • McKinney T4A3786
  • McKinney T4A3386
  • Stanley FBB168
  • Stanley FBB199

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
Suggested Models:
  • Corbin/Russwin DC2000, DC3000, DC4000
  • Dorma 640, 540, 7600, 7800, TS83
  • LCN 4010, 4020, 4041 Super Smoothie
  • Norton 7500, 8500
  • Sargent 250, 251, 350, 351, 1230, 1231, 1250, 1251

Support Documents:

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