Clopay® Commercial Model 3730 Now Offered in Widths Up to 30’2”

May 21, 2014

Commercial Doors in the Winter
Clopay’s commercial Model 3730 premium-duty 3” polyurethane insulated steel door is now available in widths up to 30’2”.

Designed for use in in cold storage facilities and other temperature sensitive climates, Clopay’s Model 3730 three-layer steel “sandwich” door features environmentally safe, CFC- and HCFC-free polyurethane insulation foam injected between a 27 gauge exterior skin and a 28 gauge interior skin with a thermal break, providing an R-value of 22.2. The sections have a continuous closed cell foam tape section joint seal and a 4-3/4” EPDM rubber astragal for additional weather resistance.

The hardware on the doors includes 14 gauge hinges, commercial 10-ball steel rollers, and 10,000 cycle torsion springs.

The Model 3730 is available in either a factory-finished white or brown. Triple pane insulated windows are offered in select sizes. An optional 5-year Sustainable Door warranty is available on doors up to 22’2” wide.

Visit for details or call 800-526-4301.

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Mischel Schonberg



8585 Duke Blvd.

Mason, Ohio 45040


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