Our oversized insulated sectional doors are engineered for extreme environments, providing exceptional thermal insulation and durability to ensure efficient operation even in the harshest conditions. Whether for large warehouses, cold storage facilities, or manufacturing plants, these doors help reduce energy consumption and offer long-term reliability and stability.

High-performance electric door providing secure and efficient access for industrial facilities.

Warranty: all sectional doors come with a standard [X-year] warranty, guaranteeing peace of mind for long-term use.

Built for Large Openings — Reliable, Energy-Saving, and Designed to Meet Your Unique Needs

Considering an upgrade? Our oversized insulated sectional doors provide superior insulation, security, and custom sizing to fit any large-scale industrial environment. Perfect for temperature-controlled facilities.

How Oversized Insulated Sectional Doors Work: The doors are constructed with modular insulated panels that provide superior thermal insulation and resistance to wind pressure. The sectional design allows for smooth and reliable operation even with frequent use in demanding environments.
Customization Options: We offer various materials, colors, and sizes, allowing you to customize your door to meet both operational efficiency and aesthetic needs.

Our oversized insulated sectional doors come equipped with advanced safety and automation features to streamline your facility’s operations:

  • Wind Load Resistance: The doors are designed to resist strong winds, ensuring the safety of your facility even during extreme weather conditions.
  • Automated Operation: Add optional automation features such as remote controls, motion sensors, and emergency stop systems to enhance safety and ease of use.
  • Safety Sensors: Integrated photoelectric sensors detect obstructions, preventing accidents during operation.
Multi-Section Lifting Structure
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Multi-Section Lifting Structure for Ultra-High Door Openings

Panels Developed for Ultra-Size
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Multi-Section Lifting Structure for Ultra-High Door Openings

  • Cold Storage Facilities: Keep temperature-sensitive products safe with insulated doors that minimize temperature fluctuations and energy waste.
  • Coastal Warehouses: Protect your facility from high winds and salt corrosion with heavy-duty materials designed for coastal climates.
  • Large-Scale Manufacturing Plants: Our doors provide large access points that accommodate heavy machinery and frequent traffic, maintaining efficiency without compromising on insulation or security.
  • Energy-Efficient Buildings: If reducing your carbon footprint and lowering energy costs are priorities, our oversized insulated sectional doors can play a vital role in achieving those goals.

 

At Dongtai Geajie Intelligent Equipment Co., Ltd., our oversized insulated sectional doors are designed for facilities that require superior thermal insulation, enhanced durability, and reliable performance in extreme environments. Ideal for use in cold storage, manufacturing plants, and coastal areas with high wind pressures, these doors provide the perfect combination of strength and energy efficiency to help you manage operational demands with ease.

Our oversized insulated sectional doors are designed to deliver exceptional performance and efficiency in even the most demanding environments. They combine advanced insulation, durability, and security features to meet the needs of various industrial applications.

  1. Superior Thermal Insulation These doors are constructed with high-performance insulation materials that maintain stable internal temperatures, reducing heating and cooling costs significantly. They are perfect for facilities storing temperature-sensitive goods or operating in extreme climates.

  2. Built for Challenging Conditions Engineered to resist extreme wind pressures, moisture, and fluctuating temperatures, our sectional doors are ideal for coastal regions and industrial environments exposed to harsh weather conditions. Their corrosion-resistant finish ensures long-term durability and reliability.

  3. Custom-Built to Fit Any Requirement Whether you need extra-wide or extra-tall doors, we offer tailored solutions to fit the unique dimensions of your facility. From expansive warehouses to large manufacturing plants, our doors can be customized to match both functional and aesthetic requirements.

  4. Energy-Efficient Performance Our doors feature insulated panels and precision-engineered seals that prevent air leakage, thereby maintaining stable indoor temperatures and reducing energy consumption. This makes them particularly suitable for cold storage facilities, where energy efficiency is crucial.

  5. Enhanced Security Features Designed with reinforced locking systems and robust panel construction, these doors provide excellent security, protecting against unauthorized access and potential break-ins.

  6. Energy Savings and Custom Sizing The high level of insulation significantly reduces energy consumption, making our doors ideal for cold storage and industrial sites requiring stringent temperature control. Additionally, we specialize in custom sizes to ensure a perfect fit, no matter the size of your opening.

  7. Heavy-Duty Construction Featuring reinforced panels, heavy-duty tracks, and precision-engineered hardware, our doors are built to withstand daily use and challenging conditions. They offer reliable performance against high wind loads and extreme temperatures, ensuring your facility remains secure and efficient.

By combining these features, our oversized insulated sectional doors provide a comprehensive solution that enhances energy efficiency, security, and operational performance in demanding industrial environments.

Our oversized sectional doors are engineered to perform in the most demanding environments. We use advanced insulation materials and cutting-edge technology to ensure optimal performance, whether you’re protecting goods from extreme cold or ensuring the structural integrity of your building in high-wind areas.

  • Precision Seals: High-quality seals along the edges of the door ensure that no heat or cold escapes, making these doors ideal for temperature-controlled facilities.
  • Reinforced Tracks and Panels: Designed to handle oversized dimensions, our doors are equipped with reinforced panels and tracks that ensure smooth operation, even with the largest installations.
  • Automated Options Available: Choose from fully automated doors with motion sensors or remote operation for increased convenience and safety.

Top 5 Reasons Why Large Door Openings Need Reinforced Panel Doors

Enhance Strength, Stability, and Efficiency with Reinforced Panel Doors for Large Openings

Enhancing Structural Strength and Stability:

Large door openings typically require larger door panels, and as the panel size increases, so does the impact of wind pressure and external forces. Reinforced panel doors with additional and stronger ribs can effectively improve the overall rigidity and stability of the door, preventing deformation or damage caused by wind pressure or external forces.

Withstanding High Wind Pressure:

In large industrial facilities or warehouses, larger door openings are more susceptible to wind impact. The reinforced design provides additional structural support, helping the door panels withstand high wind pressure and ensuring safety and normal operation under harsh weather conditions.

Preventing Door Sagging and Deformation:

Large-sized door panels are heavier, and over time, they may sag or deform. Reinforced panel doors, with their specialized structural design, effectively distribute and support the weight of the panels, preventing sagging or deformation due to their own weight or external forces.

Increasing Durability and Lifespan:

Doors for large openings typically require higher durability and a longer lifespan. Reinforced panel doors, with their strengthened structure and high-quality materials, maintain their shape and function through frequent use, reducing the need for repairs and replacements and lowering long-term maintenance costs.

Improving Insulation and Energy Efficiency:

For locations with high insulation and energy-saving requirements, such as cold storage or warehouses, reinforced panel doors with enhanced structure better maintain door sealing and insulation, preventing heat or cold air loss and improving energy efficiency.

In summary:

Large door openings require door panels with higher strength and durability due to their size and the forces they endure. Reinforced panel doors provide the necessary structural support, stability, and durability, making them the ideal choice for large door openings.

Large insulated overhead doors are commonly used in industrial environments that require effective thermal insulation, such as cold storage, warehouses, and manufacturing facilities. These doors are designed to prevent heat loss and provide excellent security. Here are the steps and precautions for operating a large insulated overhead door to ensure safe and effective use.

1. Inspect the Door Condition

  • Before use, check the overall condition of the door. Ensure there are no cracks, damage, or other signs of wear on the door panels.
  • Inspect the tracks, rollers, and seals to ensure there are no obstructions or damage, and that the rollers can move smoothly along the tracks.
  • Verify that all safety devices (such as photoelectric sensors and emergency stop buttons) are functioning correctly, and that all indicator lights and control buttons are working properly.

2. Prepare the Operating Area

  • Clear the area around the door of any items that might obstruct its opening or closing, such as stacked goods, equipment, or tools.
  • Ensure there are no people or obstacles in the door’s path to prevent accidents during opening or closing.

3. Activate the Control System

  • Check that the power supply is connected and activate the door’s control system.
  • Use the “Up” or “Down” buttons on the control panel to operate the door. Ensure all indicator lights display normally to confirm the equipment is functioning correctly.

4. Operate the Door

  • Press the “Up” button to slowly raise the door to the desired height, ensuring it moves smoothly along the tracks without any blockages or irregular movement.
  • When the door is fully open, confirm that it stops at a safe position to prevent accidental movement.
  • To close the door, press the “Down” button to slowly lower it to the fully closed position. Make sure there are no people or objects in the door’s path during this process.

5. Ensure the Door is Securely Locked

  • After closing the door, check that the locking mechanism is engaged to prevent the door from opening accidentally when not in use.
  • Confirm that the door is fully locked and that the lock indicator light displays a secure status.

6. Check Insulation and Sealing Performance

  • Ensure all seals and insulation materials are intact to provide effective thermal separation when the door is closed, preventing the flow of cold or warm air.
  • Regularly inspect the door’s insulation performance to prevent air leaks and thermal loss.

7. Perform Regular Inspections and Maintenance

  • Regularly inspect all parts of the door, including panels, tracks, rollers, and seals, to ensure they are not worn or damaged.
  • Lubricate the tracks and rollers to maintain smooth operation, and check all fasteners and bolts to ensure they are tight and secure.
  • Test safety devices such as photoelectric sensors and emergency stop buttons regularly to ensure they function properly when encountering obstacles.

8. Shut Down and Clean the Operating Area

  • After use, turn off the control system and disconnect the power supply to ensure the equipment is completely shut down, preventing accidental activation.
  • Clean the operating area, removing all tools and obstacles to keep the area tidy and ready for the next use.

Precautions

  • Always wear appropriate personal protective equipment, such as safety shoes and gloves, when operating the overhead door.
  • Avoid overloading the door or using it to support heavy objects, as this can damage the door’s structure or mechanical components.
  • Ensure all operators are professionally trained and familiar with the equipment’s operating procedures and safety guidelines.
  • If any abnormalities, such as unusual noises or irregular movement, are observed during operation, stop using the door immediately and contact a professional technician for inspection and repair.

By following these steps and precautions, you can ensure the safe use of the large insulated overhead door, extend its service life, and enhance overall operational efficiency.

FAQ

These doors are perfect for cold storage, warehouses, and logistics centers, especially where large openings and temperature control are critical.

Our doors feature high-density insulation that minimizes heat loss, keeping your facility’s internal temperature stable and energy-efficient.

Yes, with automation options such as remote controls and sensor-based systems, operating these doors is simple and hassle-free.

Absolutely, we offer fully automated systems for smooth, hands-free operation, enhancing convenience and workflow efficiency.

Built to withstand harsh conditions, our doors offer excellent protection against wind, cold, and other extreme weather elements.

Yes, we provide tailored sizing solutions, including extra-large doors to fit even the most expansive openings.

Delivery for custom doors typically takes [X days], depending on size and specific requirements, while standard models are often in stock.

We offer a standard [X-year] warranty, ensuring long-lasting performance and peace of mind for your investment.

  • Thermal Insulation and Energy Efficiency: Are you facing difficulties in maintaining a consistent internal temperature in low-temperature or high energy-saving requirement areas, while also reducing heating costs?

  • Wind Resistance: Do your facilities in coastal or high wind pressure areas need door openings that can withstand strong winds to ensure safety and stability of the building structure?

  • Handling Extra-Wide and Extra-High Openings: Do you need solutions for maintaining insulation and wind resistance for ultra-wide and ultra-high door openings while ensuring door strength and flatness?

  • Customizable to Fit Various Architectural Needs: Are you looking for door solutions that can be flexibly adjusted to different building structures and architectural styles?

  • Weight Balance of the Door Structure: Are you dealing with issues related to the weight balance of large doors to ensure smooth operation and reduce mechanical stress?

  • Multisectional Lifting Structure for High Openings: For very tall door openings, do you need a multisectional lifting structure to ensure safe and efficient door operation?

Success Case 1: Cold Storage Warehouse in Northern Europe

Project Overview: A leading cold storage and logistics company in Northern Europe needed a solution for its new facility, located in a region known for its harsh winter conditions. The facility required large insulated sectional doors that could withstand extreme temperatures and provide efficient insulation to maintain the internal environment.

Challenges:

  1. Extreme Cold: The doors needed to perform reliably in temperatures as low as -30°C.
  2. Energy Efficiency: The facility had to maintain consistent internal temperatures to prevent energy loss and ensure the preservation of perishable goods.
  3. Durability: Given the high traffic and frequent use, the doors had to be robust and require minimal maintenance.

Solution: Dongtai Geajie supplied oversized insulated sectional doors with advanced thermal insulation technology. The doors featured thick, insulated panels made from polyurethane and integrated thermal breaks, providing superior energy efficiency. They also included heavy-duty hardware and reinforced structures to handle the frequent operation cycles and extreme cold without compromising performance.

Results:

  • Energy Savings: The doors significantly reduced heat transfer, resulting in a 20% reduction in heating costs.
  • Improved Efficiency: The doors’ rapid operation and reliable performance minimized downtime during loading and unloading, improving overall workflow efficiency.
  • Enhanced Safety: The doors were equipped with advanced safety features such as anti-pinch protection and automatic stop-and-reverse mechanisms, ensuring safe operation even in high-traffic conditions.

Success Case 2: Logistics Hub in Coastal China

Project Overview: A major logistics company in coastal China faced challenges with wind pressure and humidity at its new distribution hub. The facility needed robust and insulated doors that could withstand high winds, provide effective insulation, and resist corrosion from the salty air.

Challenges:

  1. High Wind Pressure: The location was prone to strong coastal winds, which could compromise the stability of standard doors.
  2. Humidity and Corrosion: The salty coastal air posed a risk of corrosion, necessitating the use of materials resistant to rust and deterioration.
  3. Operational Efficiency: The doors needed to be durable and capable of frequent use without significant wear and tear.

Solution: Dongtai Geajie installed oversized insulated sectional doors made with corrosion-resistant materials like galvanized steel and aluminum. The doors featured reinforced wind-resistant panels and robust seals to withstand high wind pressures and prevent moisture ingress. The advanced insulation also helped maintain stable internal temperatures, crucial for the storage and distribution of sensitive goods.

Results:

  • Increased Operational Reliability: The doors performed flawlessly even during typhoon season, withstanding wind speeds of up to 120 km/h without damage.
  • Reduced Maintenance Costs: The corrosion-resistant materials and high-quality construction led to a 30% reduction in maintenance costs compared to the previous year.
  • Optimized Workflow: The smooth operation and durability of the doors allowed the facility to handle high volumes of goods efficiently, reducing loading and unloading times by 15%.

These success stories highlight the versatility and reliability of Dongtai Geajie’s oversized insulated sectional doors in addressing diverse industry challenges and enhancing operational efficiency across different environments.

  • Expertise in Custom Solutions: With years of experience delivering specialized doors for large industrial and commercial facilities, we understand the unique challenges of oversized installations and tailor our products accordingly.
  • Durability Guaranteed: Our oversized insulated sectional doors are built to last, offering long-term reliability and performance in even the most extreme environments.
  • Sustainability: We’re committed to helping businesses reduce energy consumption and lower their carbon footprint through the use of highly insulated, energy-efficient door solutions.
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ParameterDescription
Dimension RangeWidth: 6000-12000mm, Height: 2000-8000mm
Opening Speed0.25m/s
Door Panel MaterialColor-coated steel plate or aluminum plate
Door Panel ThicknessReinforced door panel: 43+60mm, 43+90mm, 50+120mm
WindowDouble-layer
Pedestrian DoorOptional
Safety DevicesStandard, wire rope break protection device, torsion spring break protection device, wireless safety airbag
Wind ResistanceStandard 450Pa, up to 700Pa
ColorsOur sectional doors, available in standard RAL colors (9002 white gray, 9016 silver gray, 1023 yellow, 5005 blue, 3002 fire red) and customizable in special colors, are filled with 48kg/m³ polyurethane foam for insulation and impact resistance, capable of withstanding Category 10 typhoon winds (or up to Category 12 with large back ribs), though wind resistance decreases as door size increases.

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