Model 459573 Metal Door - Acoustical

Perimeter Seal: Single "H" Gasket

Bottom Seal: Semi-Mortised Automatic

Door Thickness: 1.875" / 47.625mm

Min Frame Depth: 4.75" / 120.65mm

Max Leaf Size: 48" x 96"

STC Rating: 45

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.

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.

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
3-3/4" Back-set Required

Suggested Models:

• Best 94K
• Schlage "D" Series
• Sargent 10 Series
• Corbin/Russwin CL3300

Mortise

ANSI A156.13 Series 1000 Grade 1
3" maximum rosette diameter

Suggested Models:

• Best 35H
• Sargent 8200
• Schlage "L" Series
• Corbin / Russwin ML2000

Exit Devices:

Mortise

ANSI 156.3, Grade 1
3" maximum case width

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

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

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