Steel rolling shutter door

Steel rolling shutter door has two operating functions: an electric automatic system and a manual pull system. Steel rolling shutter door has been around for a long time and belongs to the old-fashioned rolling shutter door. If you look at old-fashioned shops or townhouses, you will usually find that they are all equipped with steel rolling shutter doors.

In addition to the steel rolling shutter doors of the above two systems, there is another chain hoist system that is also popular. Due to its easy operation, it is only necessary to pull the chain hoist up and down, and the maintenance is not complicated. It is only necessary to apply grease or drip oil on the chain hoist.

Types of steel rolling shutter door

Manual steel rolling shutter door Manual steel rolling shutter door is considered to be the cheapest rolling shutter door. It is a system that opens and closes by human control. The width of the door should not exceed 4 meters and the height should not exceed 4 meters. The average weight of the door should not exceed 120 kg. If the width needs to exceed 4 meters, the door should be divided into several sections and the width of each section should not exceed 4 meters. If you choose stainless steel material that can prevent rust, the price will increase accordingly. Or you can read "How is the rust prevention effect of stainless steel rolling shutter door and the price per square meter".

Chain hoist steel rolling shutter door Chain hoist steel rolling shutter door is fast to operate and opens and closes by human control like the spring system. But the difference is that the chain hoist system can support larger doors than the spring system. The width of the chain hoist rolling shutter door can not exceed 7 meters, the height can not exceed 5 meters, and the weight should not exceed 700 kilograms. The reason why the electric chain hoist steel rolling shutter door can bear a greater weight is because it uses a hoist system to assist in weight reduction. Its limitation is that it can only be opened and closed from the side with the chain. Therefore, another outlet should be set up, as a backup outlet, or a small door can be set inside the electric door.

Electric steel rolling shutter door operates the opening and closing of the door through the motor command. This allows the electric rolling shutter door to bear a larger weight or a larger size door leaf, which can bear a maximum of 2000 kilograms. At the same time, the width of the door can vary from 3 meters to 20 meters, depending on the size of the motor used. Normally, this electric rolling shutter door will be equipped with an emergency chain hoist for backup opening and closing in the event of a current failure. The steel rolling shutter door can also be used in conjunction with a remote control to increase the convenience of use.

What is the good thing about the steel rolling shutter door?

Price of steel rolling shutter door This is the primary factor in deciding to choose a steel rolling shutter door. Because the price of the material chosen to make the rolling shutter door varies, for example, if the stainless steel material is selected, the price will be higher. Similarly, choosing a different system will also affect the price. The price of manual systems is cheaper than that of electric systems, and will become more expensive due to the choice of different motors and the addition of functions or accessories (such as UPS backup power supply, anti-pinch automatic reversal sensor, etc.) for the rolling shutter door. In addition, there is the factor of ordering special colors from the factory. If you choose colors that are not in stock or not produced on order, additional orders may be required, which will also increase the cost of steel rolling shutter doors.

Installation time and service life of steel rolling shutter doors. The service life depends on whether the above materials are of high quality grade, as well as the installation location and installation environment, that is, what degree of weather conditions need to be resisted. If installed in an area with high humidity or frequent rain, the door panels may corrode. But if the door sheet has a galvanized layer, it may help to delay rust and extend the service life. If installed in an area with strong sunlight or high temperature, although rust problems can be reduced, there may be problems of brittle surface of the door sheet, resulting in color peeling. The durability of the color and the adhesion to the door sheet material depend on the type of color and the coating process of the material.

Services for steel rolling shutter doors In addition to factors such as cost, quality and service life, an important aspect that cannot be ignored is service. This includes everything from the installation process of steel rolling shutter doors to after-sales services. If there is a problem with the use of steel rolling shutter doors, whether the installation company or contractor can provide services quickly. Therefore, you may need to decide to install steel rolling shutter doors with a trusted and long-running company, as this ensures long-term warranty and service without abandoning customers.