New Clopay® 3" Polyurethane Insulated Commercial Door Designed for Maximum Climate Control and Durability

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With an R-value of 22.2, Clopay's three-inch thick commercial door Model 3730 is designed for cold storage facilities and other temperature sensitive climates.


Clopay Commercial Door Model 3730

Commercial garage door manufacturer Clopay is introducing the Model 3730 3-inch polyurethane insulated upward acting sectional door with an R-value of 22.2.

Designed for use in in cold storage facilities and other temperature sensitive climates, Clopay’s Model 3730 three-layer steel “sandwich” door contains 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. The sections feature continuous closed cell foam tape for additional weather resistance.

The hardware on the doors includes a 4-3/4” EPDM rubber astragal, 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 also offered in select sizes.

Some door size restrictions apply. Visit for details or call 800-526-4301. BIM files and Specwizard® point and click specifications are available.

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With three manufacturing facilities and 49 distribution centers across the U.S. and Canada, Clopay Building Products is North America’s leading manufacturer of residential garage doors and a preferred supplier of commercial doors.

Bringing nearly 50 years of experience and innovation to the building products industry, the company maintains a strong family of brands including Clopay®, Holmes Garage Door Company® and IDEAL Door®. Since 1996, Clopay is the only residential garage door brand to earn the Good Housekeeping Seal.

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Mischel Schonberg
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