HOLLOW METAL DOORS

Hollow metal doors fabricated in accordance with project specifications with material as listed in the following:

Material thickness; 0.042" (18 ga.), 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).

Face sheets shall be joined at their vertical edges by a continuous weld, extending the full height of the door, with no visible seams on their faces or vertical edges.

Door core shall be either steel stiffened, honeycomb, or polystyrene in accordance with project specifications.

Metal molding shall be provided for glass lights and/or louvers, with metal muntin bars where required.

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. Door 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, doors 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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