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20 Minute Glass Doors

90 Minute Positive/Negative Pressure - Glass Doors
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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
 6"  
Top Rail Face
 6"  
Bottom Rail Face
 10"  
Lites
Single Lite Size - Metal Vision Kit with Ceramic Glass
  1216 sq.ins.
Hardware                (must be rated)
Cylinder Locks 6" 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
6" min. stile face
Manual Flush Bolts - standard and extension
6" min. stile face
Surface Vertical Rods
6" min. stile face
Rim Exit Device
6" min. stile face


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 90 minute positive pressure doors. All doors were tested under the Warnock Hersey Label.