These doors are renowned for their durability, reliability, and aesthetic appeal, making them a top contender in the world of garage door systems.
In this introduction, we will delve into the key features, benefits, and various aspects that make these garage doors a preferred option for many homeowners and business owners.

1. These doors are called "sectional" because they are made up of individual horizontal sections that fold vertically when the door is opened. This design allows the door to fit within the vertical space of the garage, maximizing the available width for vehicles and other items.
2. The material is two-layer color coated steel, which provides strength and durability. The steel layers are typically galvanized to resist corrosion and enhance longevity.
SPECIFICATION: | |
Door Panel Color : | Bronze, Oak, Dark Grey, Coffee brown, Milky White, etc. (available for other solid colors) |
Door Panel Thickness : | 40mm |
Steel Wall Thickness : | 0.4mm |
3. The foam insulation is sandwiched between the two steel layers. This polyurethane foam insulation provides thermal insulation to help keep the garage warm in winter and cool in summer. It also serves as a sound barrier to reduce noise transmission.
4. Insulated steel sectional garage doors are popular in many countries outside China, including the United States, Canada, Europe, and Australia. They are a common choice for residential garages due to their combination of functionality, durability, and energy efficiency.
5. Some other terms used to describe these doors include "PUF steel sectional garage doors" (where PUF stands for polyurethane foam), "thermal insulated garage doors", and "steel garage doors with insulation".
6. The insulation value (R-value) of these doors can vary depending on the thickness of the foam and the steel layers. Higher R-values indicate better insulation performance.
7. In addition to insulation, these doors often feature other features like automatic open/close systems, safety sensors, and various finishes and designs to enhance aesthetics and match the home exterior.
In summary, insulated steel sectional garage doors are a popular choice worldwide for their durability, insulation properties, and space-saving design. The key features are the two-layer steel construction and the foam insulation sandwiched in between for thermal and sound insulation.
Design and Functionality




Sectional Garage Door Installation:
1. Preparation:
Begin by ensuring the garage door opening is clear of any obstructions and that the necessary tools and materials are on hand. This includes the door panels, hardware, a level, a drill, and a ladder.
2. Track Assembly:
Assemble the horizontal tracks that the door will slide along. These tracks are typically mounted to the ceiling of the garage on either side of the door opening. Ensure they are level and securely fastened.

3. Door Panel Attachment:
Start attaching the door panels to the bottom of the tracks. Begin with the bottom section and work upwards, connecting each panel to the next with hinges until the entire door is assembled.
4. Spring Assembly:
Install the torsion springs above the door opening. These springs provide the counterbalance necessary for the door to operate smoothly. This step requires caution as the springs are under high tension and can be dangerous if not handled properly.
5. Garage Door Opener Installation: (See above installation picture for further check)
If you're using an automatic garage door opener, install it according to the manufacturer's instructions.
This typically involves mounting the unit near the ceiling and connecting it to the door with a control cable.
6. Safety Features:
Install safety features such as photoelectric eyes, which are sensors that detect if anything is obstructing the door's path and will reverse it to prevent injury or damage.
7. Testing and Adjustment:
Test the door operation to ensure it opens and closes smoothly. Make any necessary adjustments to the springs or tracks to ensure proper balance and function.
8. Finishing Touches:
Once the door is functioning correctly, you can add any finishing touches such as weather-sealing strips and decorative hardware.
9. Maintenance:
Regularly check the door and its components for wear and tear, and lubricate moving parts as needed to maintain smooth operation.


Please don't hesitate to apply for a Factory Tour with us
and meet more satisfactory from our Products.
Alone you are good, Together we are great !!
How do I operate my garage door manually in the event of a power failure?
• To disengage - Pull manual release lever (red handle) downwards.
• To engage - Push manual release lever up.
• Change battery.
• Recode handset (refer below).
• Check for obstruction or interference to frequency.
• If Stanley handset, check to ensure that dill switches match up with receiver.
• Check that the unit is engaged on automatic operation.
• Ensure that power is turned on.
Garage door operate fails to fully open or reverses before closing
• Check manual operation for correct balance, not binding. Adjust if necessary.
• Spray silicone lubricant into tracks. Do not grease.
• Check/adjust safety sensitivity setting.
• Check limits.
How do I maintain my garage door?
• Grease springs.
• Clean guides with warm soapy water.
• Wash garage door.
My garage door motor appears to be running slow
• Clean guides with warm soapy water otherwise call serviceman.
Why is my garage door closing heavily?
• Check bottom limit switch setting.
• Adjust if necessary.
• Call service technician.
My garage door is heavy to lift
• Spring tension may require adjustment.
• Call service technician.
When does my garage door need servicing?
• A garage door is a moving mechanical product and just like a car requires to be serviced regularly.
• Every 12 month or sooner to prolong the life of the door. Failure to service may result in warranty being voided.
Why should I service my garage door?
• All doors have moving parts and need to be serviced, for optimal performance.
• We recommended that your door be serviced at least every 12 months.
My garage door motor turns but the garage door does not move
• Check that the motor is properly engaged to automatic mode and that the locking bars are not engaged.
My garage door does not work but the chain goes around.
• Re-engage garage door on to carrier.
My sectional garage door does not close all the way.
• Lubricate spring with white lithium grease available from most hardware stores.
My sectional garage door is noisy.
• Clean out all tracks with warm soapy water and check springs are not rusty.
• If springs appear rusty lubricate the springs.
• Refer to home owner's garage door manual which will advise you what you can do and what you shouldn't do.
• If you don't want to do it by yourself, call service technician.
When does my garage door need servicing?
• Every 12 month or sooner to prolong the life of the garage door.
Failure to service may result in warranty being voided.
For more questions, please do not hesitate to contact us.