Harring Doors - Fire Rated 20 Minute Panel

20 Minute Positive/Negative Pressure - Panel Doors

OPENING SIZES

MINIMUM

MAXIMUM

Singles

3/6 x 8/0

Singles

4/0 x 7/0

Pairs NOTE: Pairs allowed with or without metal astragal.

7/0 X 8/0

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”

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.