Specifications for Adjustable Knock Down Frames

Doormart USA has a full range of knock down (KD) frames of standard sizes and profiles. Knock down (KD) frames are available in 16 gauge for 1 3/4" doors. All standard knock down frames are manufactured from galvannealed steel and are prepared and reinforced to receive specific architectural hardware in accordance to ANSI A115 Standards.

• Standard knock down (KD) frame widths range from 2'-0" to 4'-0" in 2" increments with height 6'-0", 6'-8", 7'-0", 7'-10" and 8'-0".  Throat sizes range from 3 1/2" to 7 3/4".
  
• Standard knock down (KD) for pair doors widths range from 3'-0" to 8'-0" in 2" increments with height 6'-8", 7'-0", 7'-10" and 8'-0".  Throat sizes range from 3 1/2" to 7 3/4".
  
• Hinge jambs are prepared and reinforced to receive 3 standard weight 4 1/2 x 4 1/2 butt hinges for 6'-0", 6'-8" and 7'-0" height and 4 standard weight 4 1/2 x 4 1/2 butt hinges for 7'-10" and 8'-0"
  
• Strike jambs are prepared and reinforced to receive one standard 4 7/8" strike in accordance to ANSI A115.1.
  
• Hinge and strike jambs are supplied with appropriate wall anchors.