DKS 180 Minute Double Egress Fire Door Frame
Double egress fire door frame for installation in up to 180 minute locations, positive pressure. The frame is Category C - Proprietary. It may be installed in code-complying walls constructed of gypsum sheathing and metal (minimum 22 ga.) steel studs or wood studs, or in walls constructed of masonry or concrete.
Note: For metal or wood stud wall applications, double studs are required to be nested around the rough opening with cross bracing within the next three stud cavities and aligned with the center of door jamb.
MAXIMUM SIZE
Single Swing: Not applicable.
Standard Pairs: Not applicable.
Double Egress: 6'0" wide x 7'0" high
MINIMUM THROAT OPENING
The minimum throat opening allowed: 4-7/8".
