Doors

TR – Temperature Rise Core

Key features

  • Additional protection against heat on the unexposed side
  • Mostly for doors in the path of egress
  • Two core types available:
    • Solid mineral slab
    • Steel stiffened with mineral wool
  • 1 3/4” door thickness only
  • Edge seam options:
    • Lock seam (PA) 18- or 16-gauge
    • Lock seam and putty filled (PAF) 18- or 16-gauge
    • Continuously welded seamless edge (CW) 18-, 16-, 14- and 12-gauge
DOOR OPTIONS

Performance

  • 250°F in 30 minutes (mineral slab)
  • 450°F in 30 minutes (mineral slab)
  • 450°F in 30 minutes (steel stiffened with mineral wool)

Fire rating

  • Available up to 1 ½ hour with ITS/WHI label. Limitations apply.

STANDARD FEATURES

  • A40 galvannealed material
  • 16-gauge flush and welded top and bottom cap (standard for mineral slab)
  • 16-gauge top and bottom welded inverted channel (standard for steel stiffened)

HARDWARE REINFORCEMENT

  • Hinges: 7-gauge
  • Closer: Available in 16-gauge, 14-gauge and 12-gauge
  • Locks: 12-gauge