Premium Insulated Heavy Duty 1-3/4 inch Door:
Clopay Model 3622

• Maximum door size: 24 ft, 2 in wide by 20 ft high
• 1-3/4 Insulated Thermally Broken Steel
• 20 Gauge Exterior Skin
• Sandwich Type Construction
• R-Value = 15.05
• U-Value = .066

Research Building Product info:
[ ARCAT.com ]

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