--- title: Sectional Steel Doors (Dock Doors) | NYC & NJ Area description: Overhead Door Company sells, installs and repairs commercial doors and industrial doors, inluding their popular sectional steel doors (dock doors). image: https://www.overhead-doors.com/hubfs/Non-Insulated%20Wind%20Load%20Sectional%20Door%20421.jpg --- [Home](https://www.overhead-doors.com) | [Contact Us](https://www.overhead-doors.com/contact/) | [Blog](https://www.overhead-doors.com/overhead-door-blog) [![Overhead-Door-logo](https://www.overhead-doors.com/hs-fs/hubfs/Overhead-Door-logo.png?width=248&name=Overhead-Door-logo.png)](https://www.overhead-doors.com) Overhead Door Company of The Meadowlands & NYC [24 HR Emergency 1-800-362-6367](tel:+18003626367)         [![SCHEDULE SERVICE](https://no-cache.hubspot.com/cta/default/167911/a6079eaf-3a9a-4be3-af9f-40060b92f021.png)](https://cta-redirect.hubspot.com/cta/redirect/167911/a6079eaf-3a9a-4be3-af9f-40060b92f021)          [![SCHEDULE ESTIMATE](https://no-cache.hubspot.com/cta/default/167911/92234230-1cbb-48ae-9a40-a78072e9e4bf.png)](https://cta-redirect.hubspot.com/cta/redirect/167911/92234230-1cbb-48ae-9a40-a78072e9e4bf) # Sectional Steel Doors (Dock Doors) ## Overhead Door Company of The Meadowlands & NYC offers an extensive line of [insulated sectional doors](https://www.overhead-doors.com/commercial-doors/thermacore-doors), and [non-insulated sectional doors](https://www.overhead-doors.com/overhead-door-blog/non-insulated-sectional-steel-doors-416-420-424-430-series)**, ** as well as products that encompass one of the industry's most complete selection of panel profiles, gauges, track styles, and hardware for commercial sectional door systems. [![Sectional Steel Door 432 Wide-2](https://www.overhead-doors.com/hs-fs/hubfs/Sectional%20Steel%20Door%20432%20Wide-2.jpg?width=400&height=266&name=Sectional%20Steel%20Door%20432%20Wide-2.jpg)](https://www.overhead-doors.com/commercial-doors/sectional-steel-doors-photo-gallery)[Sectional Steel Doors](https://www.overhead-doors.com/commercial-doors/sectional-steel-doors-photo-gallery) [![Request an Estimate](https://no-cache.hubspot.com/cta/default/167911/e71b91eb-c8b2-4bbd-88cc-c48e450f29ec.png)](https://cta-redirect.hubspot.com/cta/redirect/167911/e71b91eb-c8b2-4bbd-88cc-c48e450f29ec) Click here to learn about our [sectional glass overhead doors](https://www.overhead-doors.com/overhead-door-blog/commercial-aluminum-glass-sectional-doors) ## Insulated Sectional Steel Doors | ![insulated sectional steel door ​​​model 418​](https://www.overhead-doors.com/hs-fs/hubfs/image-png-Aug-19-2020-10-15-06-37-PM.png?width=250&name=image-png-Aug-19-2020-10-15-06-37-PM.png) | Insulated sectional steel door ​​​model 418​ Our high-quality, heavy-duty door provides protection against hot and cold environments. Fabricated with a 16-gauge, flush galvanized steel exterior, these 2" (51 mm) 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. - Max Width: 30'2'' (9195 mm) - Max Height: 21'1'' (6426 mm) - Insulation: Up to R-Value 7.35 | | --- | --- | | ![insulated sectional steel door model 422](https://www.overhead-doors.com/hs-fs/hubfs/image-png-Aug-19-2020-10-16-47-57-PM.png?width=250&name=image-png-Aug-19-2020-10-16-47-57-PM.png) | Insulated sectional steel door model 422 Ideal for heavy-duty applications requiring protection against the elements. These doors feature a 2" (51 mm) panel thickness with a 7.35 R-value and 20-gauge ribbed steel exterior. A multitude of options allow these insulated heavy-duty doors to be used in a variety of commercial and industrial applications.- Max Width: 29'2'' (8890 mm)- Max Height: 24'1'' (7341 mm)- Insulation: Up to R-Value 7.35 | | ![insulated sectional steel door model 426](https://www.overhead-doors.com/hs-fs/hubfs/image-png-Aug-19-2020-10-18-17-10-PM.png?width=250&name=image-png-Aug-19-2020-10-18-17-10-PM.png) | ​​Insulated sectional steel door model 426 Ideal for heavy-duty applications requiring protection against the elements. These doors feature a 2" (51 mm) panel thickness with a 7.35 R-value and 24-gauge ribbed steel exterior. A multitude of options allow these insulated heavy-duty doors to be used in a variety of commercial and industrial applications. - Max Width: 28'2'' (8585 mm) - Max Height: 24'1'' (7341 mm) - Insulation: Up to R-Value 7.35 | | ![insulated sectional steel door model 432](https://www.overhead-doors.com/hs-fs/hubfs/image-png-Aug-19-2020-10-20-10-36-PM.png?width=250&name=image-png-Aug-19-2020-10-20-10-36-PM.png) | Insulated sectional steel door model 432 Offers a 2" (51 mm) 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. A variety of options make this door an economical solution for applications requiring a medium-duty insulated steel door.​​​ - Max Width: 20'2'' (6147 mm)- Max Height: 16'1'' (4902 mm)- Insulation: Up to R-Value 7.35 | ​ [![Contact Us](https://no-cache.hubspot.com/cta/default/167911/20edc0ab-b3f3-4a9c-983e-d8643569d3eb.png)](https://cta-redirect.hubspot.com/cta/redirect/167911/20edc0ab-b3f3-4a9c-983e-d8643569d3eb) ## Non-Insulated Sectional Steel Doors | The non-insulated sectional steel door model 416 features flush panel designs that are strong, durable, and versatile. Featuring 16-gauge galvanized steel these doors are designed for heavy-duty commercial and industrial applications, these doors also offer many optional features that allow you to make a bold design statement without compromising functionality.​​​- Max Width: 32'2'' (9804 mm)- Max Height: 21'1'' (6426 mm) | ![non-insulated sectional steel door model 416](https://www.overhead-doors.com/hubfs/image-png-Aug-19-2020-10-32-10-80-PM.png) | | --- | --- | | The non-insulated sectional steel door model 420 features a ribbed exterior and is strong, durable, and versatile. Featuring 20-gauge galvanized steel these doors are designed for heavy-duty commercial and industrial applications, these doors also offer many optional features that allow for meeting nearly any project requirement.​​​- Max Width: 31'2'' (9500 mm)- Max Height: 24'1'' (7341 mm) | ![non-insulated sectional steel door model 420](https://www.overhead-doors.com/hubfs/image-png-Aug-19-2020-10-32-46-83-PM.png) | | The non-insulated sectional steel door model 424 features a ribbed exterior and is strong, durable ,and versatile. Featuring 24-gauge galvanized steel these doors are designed for heavy-duty commercial and industrial applications, these doors also offer many optional features that allow for meeting nearly any project requirement.​​​ - Max Width: 30'2'' (9195 mm) - Max Height: 24'1'' (7341 mm) | ![non-insulated sectional steel door model 424](https://www.overhead-doors.com/hubfs/image-png-Aug-19-2020-10-34-22-38-PM.png) | | The non-insulated sectional steel door model 430 is available in sizes up to 20'2" in width and 16'1" in height for a variety of medium-duty applications. These doors feature a 2" (51 mm) panel thickness and a nominal 24-gauge ribbed, white galvanized steel exterior. The 430 Series is customizable to any project specification and offers a variety of available options. ​​​​​​​​​​​ - Max Width: 20'2'' (6147 mm) - Max Height: 16'1'' (4902 mm) | ![non-insulated sectional steel door model 430](https://www.overhead-doors.com/hubfs/image-png-Aug-19-2020-10-35-05-28-PM.png) |   ## Sectional Steel Doors (Dock Doors) Photo Gallery: - ![Sectional Steel Door 418 Wide](https://www.overhead-doors.com/hs-fs/hubfs/Sectional%20Steel%20Door%20418%20Wide.jpg?width=805&height=535&name=Sectional%20Steel%20Door%20418%20Wide.jpg) - ![Insulated Wind Load Sectional Door 423](https://www.overhead-doors.com/hs-fs/hubfs/Insulated%20Wind%20Load%20Sectional%20Door%20423.jpg?width=805&height=535&name=Insulated%20Wind%20Load%20Sectional%20Door%20423.jpg) - ![Insulated Sectional Advanced Performance Doors RV-26 Thermacore Overhead Door](https://www.overhead-doors.com/hs-fs/hubfs/Insulated%20Sectional%20Advanced%20Performance%20Doors%20RV-26%20Thermacore%20Overhead%20Door.png?width=606&height=524&name=Insulated%20Sectional%20Advanced%20Performance%20Doors%20RV-26%20Thermacore%20Overhead%20Door.png) - ![sectional-steel-thermacore-door-591-series](https://www.overhead-doors.com/hs-fs/hub/167911/file-18492214.jpg?width=280&height=214&name=file-18492214.jpg) - ![sectional-steel-thermacore-door-598-series](https://www.overhead-doors.com/hs-fs/hub/167911/file-18496068.jpg?width=280&height=264&name=file-18496068.jpg) - ![sectional-steel-thermacore-door-599-series](https://www.overhead-doors.com/hs-fs/hub/167911/file-18493342.jpg?width=280&height=232&name=file-18493342.jpg) - ![Thermacore Sectional Door 592 Wide](https://www.overhead-doors.com/hs-fs/hubfs/Thermacore%20Sectional%20Door%20592%20Wide.jpg?width=805&height=535&name=Thermacore%20Sectional%20Door%20592%20Wide.jpg) - ![Sectional Door with Pass-Through Door; White Sectional Door with Pass-Through Door and glass panels-1](https://www.overhead-doors.com/hs-fs/hubfs/Sectional%20Door%20with%20Pass-Through%20Door%3B%20White%20Sectional%20Door%20with%20Pass-Through%20Door%20and%20glass%20panels-1.png?width=641&height=478&name=Sectional%20Door%20with%20Pass-Through%20Door%3B%20White%20Sectional%20Door%20with%20Pass-Through%20Door%20and%20glass%20panels-1.png) - ![sectional-steel-insulated-door-432-series-01](https://www.overhead-doors.com/hs-fs/hubfs/gallery/album/10100/sectional-steel-insulated-door-432-series-01.jpg?width=290&height=200&name=sectional-steel-insulated-door-432-series-01.jpg)   --- ## Commercial & Industrial Overhead Door Repairs Contact our team for all your [commercial or industrial overhead door repairs](https://www.overhead-doors.com/high-cycle-fast-speed-roll-up-cloth-metal-fabric-rubber-vinyl-door-repairs). We service & replace all manufacturers, brands, and models of [commercial and industrial overhead doors](https://www.overhead-doors.com/overhead-doors) and [commercial door operators](https://www.overheaddoorco.com/commercial-door-operators). [![Request a Repair](https://no-cache.hubspot.com/cta/default/167911/bb4b6137-35c6-4554-8397-cdfb73b425ee.png)](https://cta-redirect.hubspot.com/cta/redirect/167911/bb4b6137-35c6-4554-8397-cdfb73b425ee) ![24 Hour Service Icon - White Background](https://www.overhead-doors.com/hs-fs/hubfs/24%20Hour%20Service%20Icon%20-%20White%20Background.png?width=150&height=114&name=24%20Hour%20Service%20Icon%20-%20White%20Background.png)24-hr emergency repairs are available for existing customers at 973-471-4060   --- ## ​Preventive Maintenance Plans for Sectional Doors (Loading Dock Doors) You should have your [commercial overhead door ](https://www.overhead-doors.com/commercial-doors/photo-gallery)and your[ industrial overhead door](https://www.overhead-doors.com/overhead-doors) serviced at least once a year if no other issues arise. At Overhead Door Company of the Meadowlands & NYC, we can create an adequate [commercial and industrial door maintenance plan.](https://www.overhead-doors.com/services-and-maintenance-plans) It will prolong the life of your overhead door while it helps you avoid costly emergency repairs and replacements.  [![Schedule a Service](https://no-cache.hubspot.com/cta/default/167911/b57c3c5e-f910-44b1-9763-039bc41eb2ca.png)](https://cta-redirect.hubspot.com/cta/redirect/167911/b57c3c5e-f910-44b1-9763-039bc41eb2ca) --- We've been selling, installing, and repairing commercial overhead doors, industrial overhead doors, operators, and [loading dock equipment](https://www.loadingdock.com/loading-dock-equipment) in the NYC and NJ areas for 40+ years.    ## A Division of Loading Dock, Inc. ![Loading Dock, Inc. Logo](https://www.overhead-doors.com/hs-fs/hub/167911/file-18423535-jpg/images/loading_dock_copy.jpg?width=176&height=80&name=loading_dock_copy.jpg) ### Follow Us [![Facebook Icon](https://www.overhead-doors.com/hs-fs/file-18411777-jpg/images/faceboook-logo_small.jpg)](http://www.facebook.com/dockndoor)  [![Linkedin Icon](https://www.overhead-doors.com/hs-fs/file-296623971-png/images/linkedin_logo.png?width=60&height=60&name=linkedin_logo.png)](http://www.linkedin.com/company/overhead-door-company-of-the-meadowlands-%26-nyc)    [![Pinterest Icon](https://www.overhead-doors.com/hs-fs/file-21350970-png/images/pinterest-logo.png?width=56&height=56&name=pinterest-logo.png)](http://pinterest.com/dockndoor/)    [![Request an Estimate](https://no-cache.hubspot.com/cta/default/167911/07253542-0347-4068-a268-cc71e99954cf.png)](https://cta-redirect.hubspot.com/cta/redirect/167911/07253542-0347-4068-a268-cc71e99954cf) [![Schedule Service](https://no-cache.hubspot.com/cta/default/167911/9b580467-1a23-4900-8f50-e6a7d4f49809.png)](https://cta-redirect.hubspot.com/cta/redirect/167911/9b580467-1a23-4900-8f50-e6a7d4f49809) ### Contact Us © 2026 Loading Dock Inc. / Overhead Door Company of the Meadowlands & NYC.  All rights reserved.973-471-4060 [Chat with us](https://www.livechatinc.com/chat-with/10701747/), powered by [LiveChat](https://www.livechatinc.com/?welcome)