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20 Minute Glass Doors

20 Minute Positive/Negative Pressure - Panel Doors
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OPENING SIZES

MINIMUM

MAXIMUM

Singles

 

3/6 x 10/0

Singles

 

4/0 x 7/0

Pairs     NOTE: Pairs allowed with or without metal astragal.

 

7/0 X 10/0 (US only)

ALLOWABLE SPECIES

Any standard species
THICKNESS

1 3/4”

2 1/4”

DIMENSIONS

Stile Face         - cylinder lock

5”

 

                        - mortise lock

6”

 

Top Rail Face

5”

 

Bottom Rail Face

10”

 

Lock Rail Width Face

6 1/2”

 

Mullion Width Face

3”

 

Cross Rail Face

3”

 

Muntin

1”

 

PANELS

Raised

1 1/8” thick

2752 sq. ins.

Raised

1 5/8” thick

2752 sq. ins.

Flat

5/8”

2752 sq. ins.
HARDWARE                 (Must be rated)
Cylinder Locks
5” min. stile face
 
Mortise Locks
6” min. stile face
Minimum Latch Throw
1/2” singles /3/4” pairs
Dead Bolts
6” min. stile face
Automatic Flush Bolts
5” min. stile face
Manual Flush Bolts – standard and extension
6” min. stile face
Surface Vertical Rods
Rim Exit Device
Auto Door Bottom
Label type only
Wire Raceway
3/8” x 3/8”
Concealed Closers   Label type only

UBC 7-2 1997 Positive Pressure Doors
(smoke & draft control)

All of the above specifications are allowed, however we must be notified if the doors will be used in a positive pressure application.

NOTE: Positive pressure doors must be installed in strict compliance to Harring Doors installation instructions for 20 minute positive pressure doors. All doors were tested under the Warnock Hersey Label.

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