Fire Rating – 90 Minute (Minimum Jamb Depth 3 3/8" for rating)
Maximum Door Weight – 500 lbs.
C-Series (18 gauge)
General use for all interior openings requiring additional strength and impact resistance of 18 gauge steel.
Minimum Jamb Depth – 2 5/8"
Maximum Jamb Depth – 13"
Fire Rating – 90 Minute (Minimum Jamb Depth 3 3/8" for rating)
Maximum Door Weight – 500 lbs.
Adjustable Kerfed Frame
AK
AK-Series
(20 gauge)
Use for interior and exterior openings requiring a seal against smoke, sound, weather, and light. Adjustable Frame has a common door section and (6 sizes of outer sections, each with 1" of adjustability.) Can be pre-hung and is designed for wood casing application. Not available as a prefinished frame or with heat treated casing attachment clips.