Insulated Sectional Steel Doors
Overhead Door Company of Southern California offers a comprehensive line of Insulated Sectional Steel Doors encompassing the industry’s most complete selection of panel profiles, gauges, track styles, and hardware for commercial sectional door systems.
Section Steel Model 426
Insulated Sectional Steel Model 426, Aluminum Sash Section with DSB Glazing, Interior View
From our highly efficient and durable Thermacore line to economical steel sectional doors, every door is engineered and built to provide ultimate quality. With Overhead Door, you get more insulation choices, including the highest R-value rating in a standard design and the most comprehensive range of design and performance options in any commercial sectional door offering.
Insulated Sectional Steel Doors to satisfy applications where Durability,
Reliability & Economy are Top Priorities.
Insulated Sectional Steel Doors
Design Options & Features
An array of door panel profiles, track and hardware, and specialized options allows you further to customize these doors to your specific project requirements.
Solidly Constructed For Reliable Performance
- 16, 20, or 24-gauge steel door panels result in a solidly constructed door for years of dependable service
- Standard steel doors are available in sizes up to 32’2” (9804 mm) in width and 24’1” (7341 mm) in height
- Insulated steel doors available in up to 32’2” (9804 mm) in width and 24’1” (7341 mm) in height
- Heavy-duty track and hardware are fabricated of high-quality galvanized steel engineered for precise, trouble-free performance
- Flexible PVC bottom weatherseal with retainer lessens conductivity of heat and cold, minimizes air and water penetration, and accommodates irregular floor conditions
- The option of insulated steel doors provides enhanced thermal efficiency and R-values* of 7.35 (1.29 K m²/W)
- Baked-on, polyester paint finish eliminates field painting and provides long-lasting protection against the elements
- Superior panel strength and well-engineered track design meets wind load requirements and codes
Specialized Options For Customized Solutions
- Full-section or individual-panel glazing satisfies requirements for external light and visitor identification.
- Higher-cycle springs in optional 25k, 50k, 75k or 100k-cycles promote long-life in high-usage applications
- Optional steel strutting reinforces structural integrity on wider doors
- Other options include: electric and chain hoist operation, aluminum sash sections with a choice of DSB, acrylic, polycarbonate, tempered, or wire glazing, as well as movable center posts, 3” (76 mm) track, jamb seals
- Impact bottom section available for doors exposed to damage from forklifts and other warehouse traffic.
Documents:
Panel Options
Color Options
Actual colors may vary from those shown due to printing process fluctuations. Ask us for color samples.
Ribbed Panel
Flush Panel
White
All Models
Industrial Brown
Available only on 424, 426, 430, 432:
Glazing Options
Aluminum Sash Section with DSB glazing
All Models
Insulated DSB (24”x 7”)
Available only on 424, 426, 430, 432:
Model 418
Sturdy Construction Ideal For Service, Manufacturing & Warehouse Applications.
When your project requires a solid sectional steel door system that will withstand heavy use, rough handling, and extreme conditions, look to Overhead Door™ 418 to pack extra toughness. Fabricated with a 16-gauge, flush galvanized steel exterior, and 26-gauge steel back cover, these 2″ thick doors offer an R-value of 7.35.
A wide array of options allows these doors to meet the most stringent project requirements that call for a degree of thermal efficiency.
Standard max width: 30’2″
Standard max height: 21’1″
R-value: 7.35 (1.29 W/m2)
Exterior steel: 16-gauge galvanized steel
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Insulated Sectional Steel Model 418, White Finish, Aluminum Sash Section with DSB Glazing
Model 422 / Model 426
Durable Construction Ideal For Loading Docks, Warehouses & Large Openings.
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Insulated Sectional Steel Model 422 / 426, White Ribbed Finish, Insulated DSB (24”x 7”)
Sectional Steel Door model 422 door is ideal for heavy-duty applications requiring protection against the elements. These doors feature a 2″ panel thickness, 16-gauge steel intermediate and end stiles, ribbed steel exterior, and 26-gauge steel back cover in a white finish.
The polystyrene insulation provides an R-value of 7.35. The Model 422 is a 20-gauge steel door available in sizes up to 29´2″ in width and 24´1″ in height. Many options, including reinforcing struts, movable center posts, and motor operation, allow these insulated heavy-duty doors to be used in various commercial and industrial environments.
Model 422
Standard max width: 29’2″ Standard max height: 24’1″
R-value: 7.35 (1.29 W/m2) Exterior steel: 20-gauge galvanized steel
Model 426
Standard max width: 28’2 Standard max height: 24’1″
R-value: 7.35 (1.29 W/m2) Exterior steel: 24-gauge galvanized steel
Model 432
For Medium-Duty Applications Such As Repair Centers, Vehicle Storage & Warehouses.
The insulated sectional steel door model 432 offers a 2″ panel thickness, a nominal 24-gauge ribbed galvanized steel exterior, and a poly-bonded back cover.
The polystyrene insulation provides an R-value of 7.35. Various options make this door economical for applications requiring a medium-duty insulated steel door.
Standard max width: 30’2″
Standard max height: 16’1″
R-value: 7.35 (1.29 W/m2)
Exterior steel: 26-gauge galvanized steel
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Insulated Sectional Steel Model 432, Industrial Brown Ribbed Panel Finish
Insulated Sectional Steel Model Comparison
Extra Heavy Duty | Heavy | Duty | Medium Duty | |
|---|---|---|---|---|
| Model | 418 | 422 | 426 | 432 |
| Nominal thickness | 2″ (51 mm) | 2″ (51 mm) | 2″ (51 mm) | 2″ (51 mm) |
| Maximum standard width | 30’2″ (9195 mm) | 29’2″ (8890 mm) | 28’2″ (8585 mm) | 20’2″ (6147 mm) |
| Maximum standard height | 21’1″ (6426 mm) | 24’1″ (7341 mm) | 24’1″ (7341 mm) | 16’1″ (4902 mm) |
| Exterior steel | 16-gauge galvanized steel | 20-gauge galvanized steel | 24-gauge galvanized steel | Nominal 24-gauge galvanized steel |
| Back Cover | 26-gauge galvanized steel | 26-gauge galvanized steel | 26-gauge galvanized steel | Polybonded laminate |
| Exterior Surface | Flush | Ribbed | Ribbed | Ribbed |
| Exterior finish color | White baked-on polyester | White baked-on polyester | Industrial Brown and White baked-on polyester | Industrial Brown and White baked-on polyester |
| R-Value* | 7.35 (1.29 K m²/W) | 7.35 (1.29 K m²/W) | 7.35 (1.29 K m²/W) | 7.35 (1.29 K m²/W) |
| End stiles | 16-gauge galvanized steel | 16-gauge galvanized steel | 16-gauge galvanized steel | 16-gauge galvanized steel |
| Intermediate stiles | 16-gauge galvanized steel | 16-gauge galvanized steel | 16-gauge galvanized steel | 16-gauge galvanized steel |
| Lock | Interior-mounted slide lock | Interior-mounted slide lock | Interior-mounted slide lock | Interior-mounted slide lock |
