Architectural Series – Models 3728 & 3729

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Commercial Glass Overhead Doors - Models 3728 & 3729

Clopay Models 3728 and 3729 are for commercial and industrial facilities where ease of maintenance, versatility and durability considerations are all important.

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Joint Design: Tongue and groove section with continuous foam thermal break prevents cold or heat from passing through the section
Paint System: 3-stage paint process delivers maintenance free finish that resists rust perforation
Warranty: Limited 10-year paint/ 10-year delamination / 1 year material and workmanship
Panel Design: (3728) 2” stucco embossed steel flush steel exterior (3729) 2” thick stucco embossed steel exterior with minor ribbed pattern
Steel Gauge: 27 (.016” min) exteriror; 28 (.015” min)
Colors: White, Glacier White, Chocolate, Mocha Brown, Black, gray, Trinar White,  Almond, Sandtone, Desert Tan, Bronze

Door and Window Designs

Flush Panel
Grooved Panel*
Flush With Windows*
Grooved With Windows*
Flush with full view long panel windows*
Flush panel with short windows*
Grooved With long panel Windows*
Grooved full view with short panel windows*
*Only available with Architectural Series Windows.


  • Windows
  • 19.5” x 16”
  • 42” x 16”
  • 1/8” Tempered
  • 1/8” Tempered Frosted
  • ¾” Insulated Tempered
  • ¾” Insulated Frosted Tempered


  • Standard White
  • Glacier White
  • Almond
  • Desert Tan
  • Sandtone
  • Bronze
  • Chocolate
  • Mocha Brown
  • Charcoal
  • Black
  • Gray
  • Trinar® White 
  • Color Blast options available


  • High Cycle Springs (25K, 50K and 100K available)
  • Exhaust Port
  • 3" heavy duty track (where not standard)
  • Double End Stiles
  • Design pressure rated (WindCode)
  • Impact Rated
  • Photo eyes, sensing edges and Operators
  • Extended 5-Year Hardware Warranty
  • Header (top) and Jamb Seals
  • High Performance Hardware Upgrade


  • Mullions
  • Break-away Sections

Intellicore insulation technology
Warmer. Quieter. Stronger.

Commercial doors featuring Intellicore® insulation technology represent the ultimate smart choice. Clopay’s Intellicore® is a proprietary polyurethane foam that is injected into the door, expanding to fill the entire structure. The result is a door with incredible strength and durability. Its dense insulation also produces a quieter door, while its industry-leading R-values (p to 18.4) provide year-round comfort and improved energy efficiency.