Karpen Steel
Door Specifications











 

Door Specifications


Karpen Steel fabricates Seamless Edge, Vertically Steel Stiffened Doors, 1 3/4",  and 1 3/8" up to 2" thick as specified.

 

Material

  • 18- 16- or 14-gauge face sheets of commercial grade Cold Rolled Steel.
  • 18- 16- or 14-gauge face sheets of commercial grade A60 Galvannealed.
  • 12-gauge face sheets. 12-gauge Door Specifications

Core

  • Standard Core:
    • Doors shall have continuous vertical interlocking steel stiffeners of 20-gauge and shall be spaced no further than 8" on center.
    • Doors shall be filled with mineral rock wool.
  • Alternate Core:
    • Polystyrene Core with a density of 1 lb/cubic foot.
    • Face Sheets for Polystyrene Core: A60 Galvanneal

Reinforcements

  • Top and bottom of doors shall be reinforced with continuous 16-gauge steel channels, spot welded to both sides of doors.
  • Hinge reinforcements shall be 11-gauge steel angle, 12" long
  • Cylindrical lock reinforcement shall be 16-gauge with 11-gauge thread depth. Other lock and closer reinforcements shall be 12-gauge.
  • Doors shall be reinforced for all surface type hardware. Drilling and tapping of surface hardware to be done in the field by the erector.
  • Edges of door shall be continuously seam welded, ground, and filled to ensure a smooth finish.

Finish:

  • Doors shall be thoroughly cleaned after assembly and given a prime coat of rust inhibiting paint. The primer shall be air dried. Low gloss oil base trim paints (max gloss 25) are recommended as a finish paint.

Undercut:

  • 3/4" standard. Other undercuts as specified.

Hinge Backset: (1 3/4" thick doors)

  • 1/4" standard. 3/16" or 1/8" available.

Bevel: 

  • 1/8" in 2" standard. (18, 16 and 14 gauge doors)
  • Square Edge standard (Polystyrene Core and 12 gauge doors)

Astragals:

  • Flat 14-gauge astragals are provided with pairs of doors as needed and are shipped loose for field mounting. Astragal Drawing: cudm0006.pdf

Size Limitations:

  • Largest single door available:
     Gauge  Material  Size
     18  CRS 4'-6" x 10'-0"
     18  A60 Galvanneal 3'-7" x 10'-0" 
     16 or 14  CRS or A60 Galvanneal 4'-6" x 10'-0"
     12  HRPO 3'-8" x 10'-0" or 4'-0" x 7'-2"
     12  A60 Galvanneal 3'-8" x 10'-0"

Door Design Drawings: cudm0002.pdf , cudm0002.dwg

INTERNAL DOOR DETAIL-Vertically Steel Stiffened

cudm0001.pdf       cudm0001.dwg

INTERNAL DOOR DETAIL-Polystyrene Core Detail

cudm0015.pdf       cudm0015.dwg


to top












 

181 Reems Creek Road
Weaverville, NC 28787
Phone (828) 645-4821
Fax (800) 851-2131
Outside U.S. Fax (828) 645-3230
Email karpensteel@karpensteel.com
All material © Karpen Steel 2007

 

 
Edited 5/07
OmniUpdate