Material
- 16, 14, 12 ga. galvannealed (Standard)
- G90 and cold rolled steel (CRS) available
- Rust-inhibitive primer
Reinforcements
- Hinge reinforcement – 7 ga.
- Strike reinforcement – 10 ga.
- Closer reinforcement – 12 ga.
General Construction
- Hinge backset – 5/16”
- Mortar guards standard (except KD-drywall frames)
- Backbends/returns – 1/2” standard (7/16” on 5-3/4” masonry profiles standard)
- Rabbets – equal rabbet standard (unequal is available)
- Knock-down, knock-down after-drywall, and welded frames
Fire Ratings
- UL & Warnock Hersey listed up to 3 hours on masonry and drywall frames