Commercial Ribbed Overhead Doors

STEEL OVERHEAD DOORS

Delden’s 625-C, 624-C, 620-C are the industry workhorses and our most versatile door models. These open-back commercial steel doors are available in a variety of steel gauges and feature tongue and groove construction with a bottom weatherseal to guard against the elements.
These doors can be factory-or field-modified with CFC-free polystyrene insulation to fit the needed application.
WARRANTIES
- 10-year Limited Warranty on the paint and finish for all models
- 1-year Limited Warranty on hardware for all models
- See your dealer or visit deldenmfg.com for complete warranty details
CONSTRUCTION
Model 625-C
Medium-duty, 25-gauge steel construction
Model 624-C
Heavy-duty, 24-gauge steel construction
Model 620-C
Extra Heavy-duty, 20-gauge steel construction
SINGLE-LAYER

DOUBLE-LAYER

TRIPLE-LAYER

Track: All Delden Doors are available with both 2 ” or 3″ track in Standard Lift, High Lift, Vertical Lift, Low Headroom, and Follow the Roof Pitch. Custom track configurations are also available. For drawings and more information, please visit our website at www.deldenmfg.com
Hardware: Delden hardware includes minimum 14-gauge galvanized steel hinges and all rollers have minimum 10-ball bearings.
Springs: Torsion springs are oil tempered, helical wound and custom computed for each door for a minimum 10,000 cycle life. Optional springs are available up to 100,000 cycle life.
625-C | 624-C | 620-C | |
Steel Thickness (actual) | 25 ga | 24 ga | 20 ga |
Insulation2 | Optional | Optional | Optional |
Exterior Design | Ribbed | Ribbed | Ribbed |
Section Texture | Wood Grain | Smooth* | Smooth |
Maximum Standard Width | 18’ 2" | 30’ 2" | 30’ 2" |
Section Heights | 21" & 24" | 21" & 24" | 21" & 24" |
Door Thickness | 2" | 2" | 2" |
Maximum Standard Height | 14’ 1" | 20’ 1" | 20’ 1" |
Wind Load3 Available | 16’ 2" Maximum Width | 20’ 2" Maximum Width | 20’ 2" Maximum Width |
Exterior Color | White | White, Gray, Brown and Black | White |
Custom widths and heights available (restrictions may apply).
* Refer to Color Options1 Calculated door section R-value.
2 Insulation has passed self-ignition, flamespread and smoke developed index fire testing.
3 It is your responsibility to make sure your garage door meets local building codes.
COLOR OPTIONS

Actual paint colors may vary from samples shown.
Delden steel doors arrive pre-painted; for custom colors, exterior latex paint must be used. Visit www.deldenmfg.com for instructions on painting.
PANELS

RIBBED PANEL

OPTIONAL FULL-VIEW PANEL
All images feature smooth ribbed faces
Model 624-C available in Commercial Brown with wood grain embossment, Commercial Black and Commercial Gray with smooth embossment
Model 625-C has wood grain embossment
SUPERFLEX SECTION OPTION

Impact resistant sections are the answer to lower door section damage common in today’s busy warehouses. Made with high-performance TPO skins on a flexible fiberglass tube frame. Available in widths up to 12’2″.