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C.H.I. Overhead Doors Ribbed Steel (commercial) Garage Doors in Maryland
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- Same-day service available
- A firm price before any work begins
- Fixed in one trip with fully stocked trucks
- Maryland licensed, MHIC #138235
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C.H.I. Overhead Doors Ribbed Steel (commercial) garage doors
Ribbed Steel doors are C.H.I.’s pan constructed commercial sectional doors for storage buildings, docks, shops and sheds. Each 2 inch section is hot dipped galvanized steel with a baked on polyester finish and two horizontal ribs. You choose 20, 24 or 25 gauge steel, not insulated or with polystyrene (R 8) behind a vinyl or steel back cover.
- Ribbed exterior: two horizontal ribs with alternating V grooves
- Hot dipped galvanized sections with tongue and groove joints
- Not insulated, or polystyrene R 8 with a vinyl back (3221, 3241, 3251) or a 27 gauge steel back (3222, 3242, 3252)
- Colors: White, Sandstone, Brown, Gray and Black, plus 188 powder coat colors
- Commercial warranty: sections 10 years against splitting, cracking, rusting through or delaminating; hardware and springs 1 year
C.H.I. Overhead Doors Ribbed Steel (commercial) models
| Model | Model numbers | Design | Construction | Insulation | R-value |
|---|---|---|---|---|---|
| 3250 | 3250 | Ribbed | 2 inch, 25 gauge steel exterior | None | |
| 3240 | 3240 | Ribbed | 2 inch, 24 gauge steel exterior | None | |
| 3220 | 3220 | Ribbed | 2 inch, 20 gauge steel exterior | None | |
| 3251 | 3251 | Ribbed | 2 inch, 25 gauge steel exterior, vinyl back | Polystyrene | 8 |
| 3241 | 3241 | Ribbed | 2 inch, 24 gauge steel exterior, vinyl back | Polystyrene | 8 |
| 3221 | 3221 | Ribbed | 2 inch, 20 gauge steel exterior, vinyl back | Polystyrene | 8 |
| 3252 | 3252 | Ribbed | 2 inch, 25 gauge steel exterior, steel back | Polystyrene | 8 |
| 3242 | 3242 | Ribbed | 2 inch, 24 gauge steel exterior, steel back | Polystyrene | 8 |
| 3222 | 3222 | Ribbed | 2 inch, 20 gauge steel exterior, steel back | Polystyrene | 8 |
C.H.I. does not publish separate photos of each model.
Models and specifications from C.H.I. Overhead Doors’s website (chiohd.com), checked November 2026.
C.H.I. Overhead Doors Ribbed Steel (commercial) catalogs and brochures
- Ribbed steel (1-sided) commercial sectional flyer PDF
- Commercial sectional overhead doors warranty PDF
Published by C.H.I. Overhead Doors; the links open the manufacturer’s own files.
Other C.H.I. Overhead Doors collections
Raised PanelClassic short or long raised panel steel doors, not insulated to R 17.197 models and catalogs
Stamped Carriage HouseEmbossed steel doors with a carriage house look, up to R 16.554 models and catalogs
Stamped ShakerShaker style embossed steel doors, not insulated to R 16.554 models and catalogs
Skyline FlushFlat, textured steel doors with modern window layouts, up to R 17.546 models and catalogs
PlanksHorizontal plank steel doors, often in wood look finishes, R 10.29 or 17.542 models and catalogs
SterlingSmooth minimalist steel doors with frameless tinted glass2 models and catalogs
Overlay Carriage HouseCarriage house doors with steel, wood or fiberglass overlays, up to R 18.036 models and catalogs
ShorelineWood look overlay carriage doors in Accents Woodtones, R 17.541 model and catalogs
Full-View AluminumAluminum and glass doors for modern homes and storefronts2 models and catalogs
Recessed PanelWoodgrain embossed recessed panel steel doors, R 7.944 models and catalogs
Insulated Sandwich (commercial)Commercial insulated sectional doors, R 10.29 to R 26.899 models and catalogsImages: C.H.I. Overhead Doors (chiohd.com).
Everything about C.H.I. Overhead Doors doors, including warranty and care: C.H.I. Overhead Doors garage doors.
Get a price on a C.H.I. Overhead Doors Ribbed Steel (commercial) door
ADP Garage Door Repair is an authorized C.H.I. Overhead Doors dealer serving Central Maryland, and we install every C.H.I. Overhead Doors Ribbed Steel (commercial) door. Call us, or text us a photo of your garage, for a free estimate; you get a firm price before any work begins. Financing is available.
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