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
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