Nadcor manufactures a full range of steel frames of standard sizes and profiles to custom sizes and profiles. Steel frames are available in 12 14 16 and 18 gauge for 1 3/4" (45 mm) doors and in 20 and 22 gauge for 1 3/8" (35 mm) doors. All standard frames are manufactured from galvannealed steel and are prepared and reinforced to receive specific architectural hardware in accordance to ANSI A115 Standards. Stainless Steel Lead Lined (X-Ray) and G90 frames are also available. For exterior application frames are available with a thermal break (optional).

• Standard frames are available welded-up or knock down.  Standard widths range from 2'-0" (600 mm) to 4'-0" (1220 mm) in 2" (50 mm) increments with height 6'-8" (2032 mm) or 7'-0" (2134 mm).  Throat sizes range from 3 1/2" (89 mm) to 7 3/4" (197 mm).
• Hinge jambs are prepared and reinforced to receive 3 standard weight 4 1/2 x 4 1/2 (114 x 114) butt hinges.
• Strike jambs are prepared and reinforced to receive one standard 4 7/8" (124 mm) strike in accordance to ANSI A115.1.
• Hinge and strike jambs are supplied with appropriate wall anchors.
• On welded-up frames all welded joints are ground smooth and touched-up with prime paint.

NOTE: Welded frames are supplied with two temporary spreaders which are welded to the bottom of each jamb.  These spreaders are not to be used for aligning the frame during installation.  Their sole purpose is to maintain proper alignment during shipment only.

STRIKE REINFORCEMENT

18 gauge strike reinforcement supplied with closed back eliminating the need to install an additional dust or mortar protection cover in accordance to ANSI A115.1 requirements.

FLOOR ANCHOR

18 gauge