Overhead Door Company of Knoxville: Locally owned and operated by Wm. S. Trimble Co., Inc. Since 1936

Rolling Counter Doors, Fire-Rated Counter Doors

Overhead Door's aluminum sectional doors offer an attractive solution for commercial and industrial applications where visual access, light infiltration and aesthetics are key design considerations. Offered with a variety of stile widths, glazing materials, track styles, and finish options. Ideal for service stations, fire stations, professional facilities and retail environments, our sectional aluminum doors are practical, durable and handsomely styled — and engineered for long life, low maintenance and enduring beauty.

  • 1 3/4" (45 mm) thick, corrosion-resistant 6063-T6 aluminum sections with galvanized fixtures and hinges promotes durability and trouble-free operation
  • 1/4" (6 mm) diameter through-rods on all stiles and rails enhances strength and sturdiness
  • Top-quality materials, excellent field service and optional maintenance program contribute to extended door life, low maintenance costs and maximum productivity
  • Doors up to 26'2" (7976 mm) wide and 20'1" (6121 mm) high

Aluminum Glass Doors

Ideal for service stations, fire stations, professional facilities and retail environments, our sectional aluminum doors are practical, durable and handsomely styled — and engineered for long life, low maintenance and enduring beauty.

Series Image Max
WIDTH
Max
HEIGHT
Insulation Warranty
511 Aluminum Glass Commercial Doors

 16' 2"
(4928 mm)

 16' 1"
(4902 mm)

Non
Insulated

1 year
limited
Warranty

521 Aluminum Glass Commercial Doors

 26' 2"
(7976 mm)

 20' 1"
(6121 mm)

Non
Insulated

1 year
limited
Warranty