1. Material
PVC rapid door is mostly made of industrial woven fabric made of polyvinyl chloride (PVC). This material has a certain flexibility and light weight, which enables the door curtain to open and close quickly and smoothly, reducing waiting time and matching the rhythm of frequent vehicles entering and leaving the garage. Its surface has been specially treated to have a certain waterproof and moisture-proof ability, which can resist daily rain and dew erosion and maintain the basic function of the door.
However, the shortcomings of PVC are also very obvious. Its strength is relatively limited. When exposed to sunlight for a long time, ultraviolet rays will gradually destroy its internal structure, causing the door curtain to age and fade. This affects the appearance and also weakens the protective performance of the door.
Spiral overhead door uses double-layer aluminum alloy high-strength material to construct the main structure of the door panel. The surface is anodized and organically colored. The thickness of the single-layer aluminum plate is 0.7mm, and the interior is filled with polyurethane insulation material. Multiple series of door panels are filled with polyurethane foam, with impact resistance ≥ 45kg/m, anti-pinch, sturdy and durable, heat-insulating and sound-insulating, and strong industrial aesthetics.
Aluminum alloy has outstanding characteristics such as high strength, corrosion resistance and oxidation resistance. Whether facing the high humidity and high salt air environment in coastal areas or the frequent acid rain in cities, it can maintain its structural stability and appearance integrity. After a long period of natural erosion, the surface of the door panel is still as bright as new, and the overall strength is long-lasting. In comparison, PVC high speed door is obviously difficult to compete with spiral garage door in terms of material durability . There is a significant gap in both resistance to harsh environmental erosion and in-depth functional development.
2. Security and anti-theft: Barriers to protect garages
To ensure safety, the PVC fast door is equipped with devices such as safety electric eyes on the door frame and safety airbags at the bottom of the door curtain. The safety electric eyes use the principle of light sensing. Once an object is detected blocking the light, the door will immediately stop falling to prevent people and objects from being caught. This can play a certain role in daily vehicles and personnel entering and exiting. The safety airbag at the bottom of the door curtain triggers the door to rise in the opposite direction when the door touches a slight obstacle, avoiding damage caused by forced downward pressure.
However, these security measures have their limitations . In terms of anti-theft, PVC speed doors are more easily damaged by external forces due to their soft material. Ordinary knives can easily cut through the door curtain, opening a "convenient door" for criminals, and the safety of property in the garage faces a greater threat.
Aluminum Spiral Insulated Roll Up Garage Door builds an iron wall in the field of security and anti-theft. The anti-theft performance is even more outstanding. The double-layer aluminum alloy door panel itself has a high strength and is difficult to be easily destroyed by external forces. With optional high-end anti-theft locks, such as password locks and fingerprint recognition locks, only authorized personnel can open the garage door, which makes thieves stay away. Even if you encounter violent prying, the Spiral Insulated Roll Up Door can hold its ground with its solid structure to escort the vehicles and valuables in the garage.
Obviously, spiral door has more advantages in anti-theft performance with its all-round and highly reliable security and anti-theft system .
3. Cost expenditure: short-term and long-term trade-offs
From the perspective of purchasing cost, PVC quick door has obvious price advantage. Its manufacturing process is relatively simple, and the material cost is low. The price of common PVC fast shutter door in the market is generally lower than that of high speed spiral door . For car owners with limited budget and urgent need to install a fast door in the garage, the initial investment cost is low and it can quickly solve the basic needs of garage doors. It seems to be an economical choice.
However, if you look at the long term, the cost of using PVC fast shutter doors is not low . Because the material is easy to age and damage, the door curtain needs to be replaced frequently, plus the labor and accessories required for maintenance. Over time, this expense cannot be underestimated.
aluminum alloy high speed door is first purchased, the price is relatively high, which is due to its high-end materials, fine manufacturing process and excellent performance configuration. But its subsequent use cost is very considerable. With strong and durable materials and stable and reliable structure, the door body hardly needs frequent maintenance, and occasional maintenance is just simple cleaning and lubrication of parts, and the cost is minimal.
Comprehensively considered, although the aluminum spiral high speed door requires a large initial investment, from a long-term cost-benefit analysis, it brings more benefits to car owners with its stable and low-consumption characteristics, while the initial low price temptation of the PVC fast rolling door is gradually offset by the high cost in subsequent use.
4. Wind resistance: resisting the force of nature
PVC roll fast doors are relatively weak in wind resistance. Generally speaking, they can withstand about level 6 , which is acceptable in daily environments with less wind , but once they encounter strong winds, especially in coastal areas and urban wind outlets with tall buildings, they are unable to cope with it.
When the wind force exceeds its limit, the door curtain will be blown and curled, or even torn directly, which will not only cause the garage to lose its protective barrier, but also increase the cost of repairing and replacing the door body after it is damaged. In addition, the debris carried by the strong wind will hit the door curtain and easily cause damage, further weakening the door's wind resistance.
Aluminum high speed door has super strong wind resistance due to its heavy door panel and scientific structural design. Its wind resistance level can reach level 10.
The double-helix turbine structure guide rail makes the door body stable at high speed and effectively disperses the impact of wind on the door body. Even in coastal areas with strong winds or typhoons all year round , it can be closed steadily.
In the competition of wind resistance, hard high speed door crushes PVC fast door with absolute advantage , providing indestructible windproof protection for the garage.
5. Durability: Stands the test of time
PVC high speed insulated roll up door is sufficient for daily use in factory workshops , but if it is used in garages with frequent vehicles entering and exiting, the friction between the door curtain and the door frame and the ground, coupled with the strength of the material itself, can easily cause scratches, tears and other damage to the door curtain. Moreover, as mentioned above, environmental factors such as ultraviolet rays and temperature changes can erode PVC materials, greatly reducing the life of the door.
Normally, the service life of PVC fast roll up doors is about 8 years . If the use environment is bad, its service life may be greatly shortened . During this period, it is necessary to continuously invest maintenance costs to maintain its basic use function, and the overall durability is poor.
The aluminum spiral door is designed to be durable from design to material. The combination of double-layer aluminum alloy door panels and high-density polyurethane foam filling has undergone rigorous strength and durability tests. Under normal use conditions, the door panels remain strong even after decades .
Daily vehicle collisions are no big deal for High Speed Aluminum Foam spiral Door . Its high-strength material can easily absorb the impact and maintain the integrity of the door. Whether it is a busy commercial garage or a frequently used home garage, it can prove its excellent durability with its long service life and extremely low maintenance requirements.
In terms of five key aspects, namely material, security and anti-theft, cost, wind resistance and durability , Spiral door has a complete advantage over PVC due to its all-round advantages.
quick roll up doors . For car owners who pursue high-quality, safe, reliable and long-lasting garage doors, High Speed Spiral Door is undoubtedly the best choice. It not only protects the current peace of the garage, but also continues to demonstrate its value in the long years to come, escorting garage life.
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