HOLLOW METAL FRAMES

Pressed steel frames fabricated in accordance with project specifications with material as listed in the following:

Material thickness; 0.053" (16 ga.), 0.067" (14 ga.), or 0.093" (12 ga.).

Steel: commercial quality cold rolled conforming to ASTM A1008/A1008M, hot-rolled pickled and oiled (HRPO) conforming to ASTM A1011/A1011M, or zinc coated galvanneal conforming to ASTM A653/A653M Coating Designation A60 (ZF180).

Perimeter corner joints to have contact edges closed tight, and either mitered or coped with seams at corner joints continuously welded, face welded or knock-down. Loose glazing stops to be butted.

Frames provided with jamb and floor anchors, and grout guards as required. Spreaders shall be provided on welded frames to hold jambs during shipping and handling. Spreaders are intended to be removed before setting and aligning frame.

Provisions for hardware with drilling and tapping furnished for templated mortised hardware only, in accordance with ANSI/SDI A250.6-2003 (R2009) "Recommended Practice for Hardware Reinforcing on Standard Steel Doors and Frames", the approved hardware schedule and templates provided to us. Frame hinge reinforcements for 1-3/4" door, min. 0.167" thick by 1.25" wide by 10" long. Reinforcements for continuous hinges shall be as required by individual hinge manufacturer. Reinforcements for all other hardware shall be of sufficient size to provide complete back-up. Where surface mounted hardware, anchor hinges, thrust pivots, pivot reinforced hinges, or non-templated mortised hardware apply, frames shall be reinforced only, drilling and tapping done by others.

After fabrication, surface imperfections shall be filled and sanded as required to provide weld joints free from irregularities and dressed smooth. Metal shall be prepared to ensure maximum paint adhesion and coated with a rust inhibitive primer.

We offer several different primers:

Our Standard: Sherwin Williams, Protective & Marine Coatings, "Steel Spec". VOC Compliant and free of lead and chromates, VOC: 3.2 lbs/gal.

Sherwin Williams, Protective & Marine Coatings, "Kem Kromik Universal Metal Primer". Low VOC, (<420 g/l, 3.5lb/gal).
CAN BE TOP COATED WITH EPOXIES AND URETHANES.

Cold Galvanized Primer, 94% Zinc, Sherwin Williams or Rust-Oleum.
USED SPECIFICALLY FOR WASTE WATER TREATMENT PLANTS AND AREAS SUBJECT TO EXCESSIVE CORRISION.

 

 

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