Industrial Sectional Door Automatic Warehouse Sandwich Panels Galvanized Steel Industrial 40mm Thickness Garage Sectional Doors
Industrial Sectional Door Automatic Warehouse Sandwich Panels Galvanized Steel Industrial 40mm Thickness Garage Sectional Doors
The Industrial Sectional Door with Automatic Operation is ideal for modern warehouses, garages, and industrial facilities. Constructed with 40mm-thick sandwich panels and galvanized steel, it offers excellent insulation, durability, and resistance to corrosion. Its sectional design allows smooth vertical movement, maximizing space efficiency, while the automatic opening system ensures fast and convenient access. Engineered for heavy-duty industrial use, this door combines safety, energy efficiency, and long-lasting performance, making it a reliable solution for warehouses, logistics centers, and production facilities.
Product Paramenters
| Item | Description |
|---|---|
| Product Name | Industrial Sectional Overhead Garage Door |
| Material | High-strength galvanized steel or aluminum panels filled with polyurethane (PU) foam |
| Panel Thickness | 40–50 mm (customizable) |
| Surface Finish | Powder coating, RAL color options, wood grain or embossed texture |
| Insulation Performance | Thermal conductivity ≤ 0.4 W/m²·K |
| Wind Resistance | Up to Class 4 (EN12424) |
| Opening Style | Vertical lifting, sectional overhead opening along steel tracks |
| Operation | Manual, chain hoist, or electric motor with remote control |
| Safety Devices | Torsion spring break protection, cable break protection, emergency stop button, infrared safety sensor |
| Sealing System | EPDM rubber seals on all sides and bottom edge |
| Application | Warehouses, factories, logistics centers, workshops, cold storage, aircraft hangars |
| Size Range | Width: 2–12 m, Height: 2–8 m (customizable) |
| Optional Features | - Vision panels (double-glazed windows) - Pedestrian pass door - High-speed or insulated versions |
| Standards | CE, ISO9001, EN13241 compliance |
Key Features of Our Industrial Sectional Overhead Garage Door
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Superior Insulation & Energy Saving – 40–50 mm PU foam-filled panels ensure excellent thermal efficiency, reducing energy costs in warehouses and cold storage facilities.
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Durable Construction for Industrial Use – Made of galvanized steel or aluminum panels with powder-coated finish, resistant to corrosion, impact, and harsh environments.
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Smooth & Flexible Operation – Options for manual, chain hoist, or electric motor drive with remote control, suitable for heavy-duty industrial applications.
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Advanced Safety Protection – Equipped with torsion spring break devices, cable break protection, infrared safety sensors, and emergency stop system to ensure safe daily operation.
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Customizable Design & Applications – Wide size range (2–12 m width, 2–8 m height), optional vision panels, pedestrian doors, and high-speed versions, perfect for factories, logistics centers, workshops, and hangars.
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Product Description
Why Choose Us
![Industrial Sectional Overhead Garage Door factory]()
Founded in 2001, Zonle Doors is one of China’s leading professional door suppliers, with four major production bases covering 900,000 square meters. As one of the first domestic manufacturers to implement fully automated production lines, we employ over 10,000 workers and have a dedicated R&D team of over 50 specialists. Our facilities boast 58 internationally advanced production lines, featuring automatic robotic arms, electronic saws, sliding table saws, engraving machines, automatic cutting machines, side hole machines, sanding machines, edge grinding machines, heat presses, spray booths, UV primer assembly lines, high-speed precision cutting machines, CNC laser cutting machines, and automatic multi-layer hot-press gluing machines, ensuring top-tier quality and efficiency.
In addition, we operate a state-of-the-art quality control laboratory equipped with drying boxes, universal tensile testers, photometers, moisture testers, hinge testers, and lock testers, guaranteeing the durability and reliability of our doors. With an annual production capacity of 8 million doors, we are committed to meeting global demand.
Our extensive product range includes garage doors, French doors, barn doors, sliding doors, folding doors, pivot doors, steel doors, wooden doors, wrought iron doors, fire doors, rolling doors, WPC doors, and aluminum glass doors—all compliant with international standards such as CE, CCCF, ISO9001, and ISO14001.
Beyond offering premium-quality doors at competitive prices, we provide comprehensive after-sales support through our professional overseas sales team. Zonle Doors products are exported to over 80 countries and regions, including Asia, the Middle East, South America, and Europe.
We warmly welcome you to Zonle Doors and look forward to building a long-term, win-win partnership with you!
FAQ
Q2: What is your payment terms ?
A: T/T, D/P, Western Union, L/C
Q3: Could you send me sample before I place an order?
A: Yes, offer free samples for your evaluation, you provide the Courier account for freight collect.
Q4: How can I get the latest prices?
A: Send requirements to us by mail or calling , we will reply you in 24 hours. Zonle Doors offer not only doors but also door project Solution.
Q5: How long is the delivery time?
A: Delivery time is 15-30 days, depend on the order product and quantity. Steel door and fire door between 15-25 days, wooden door is 20-30 days.
Q6: How about your production capacity?
A: The annual production capacity is 8.2 million pieces metal steel door, fire doors and wooden door. The daily capacity is over 20,000 sets of doors.
Q7: How often do you develop new models?
A: We regularly develop one new model per month.
Q8: Are you doors' manufacturer?
A: Yes, we are one of the largest door manufacturer and supplier in China, we can provide nice goods at competitive price.
Q9: How can you guarantee your sales' quality?
A: To control quality, we have four testing procedures: initial inspection, re-inspection, final inspection and sampling
inspection.
Q10: Could you send me sample before I place an order?