Model 439572 Metal Door - 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
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:
Cylindrical
ANSI 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:
Mortise
ANSI 156.3, Grade 1
Suggested Models:
- Sargent 8300
- Von Duprin 9875/9975
Rim
ANSI 156.3, Grade 1
Suggested Models:
- Sargent 8800
- Corbin/Russwin ED6200
- Von Duprin 98/99
Surface Vertical Rod
ANSI A156.3, Grade 1
Suggested Models:
- Sargent 8700
- Von Duprin 9927
- Corbin/Russwin ED6400
Hinges:
Heavy Weight
ANSI 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 Mounted
ANSI 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
See More
See Less