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          發布人:http://www.bj-dcpj.com    發布時間:2021-11-02 20:33:13

          Fire door is a kind of fire prevention and heat insulation facilities suitable for building openings, which plays a certain role in design and installation. Fire doors are widely used in the fire partition areas of industrial and civil buildings, which can effectively prevent the spread of fire.
          Part of the garage door is of rolling shutter type, but the rolling shutter door is easier to pry open. In addition to welding two angle irons near the garage door and two padlocks, many homeowners will install monitoring on it. If there is a problem, they will call the police in time.
          Choose a mild, sunny day to paint. Climatic conditions may have a great impact on the quality of external coatings. At the same time, the garage door must be thoroughly cleaned before painting. Do not start painting until it is completely dry. Choose the color you like, which is most effective for most garage doors, such as light tones of white, beige or pearl, because they won't fade in the sun. It is recommended to apply primer before painting to ensure better effect. Use mild detergent and soft brush to remove any corrosive chemicals or dirt from the garage door, so as to prevent it from corroding the garage door or rusting or even twisting the garage door.
          After cleaning, you can also check whether the spring or hinge needs maintenance at a glance. It is generally recommended to clean 3-4 times a year, which can ensure that the garage door is always in a healthy state. Electric garage doors are equipped with springs and chains to ensure that the door can move up and down easily. In order to ensure its normal operation, it is recommended to use spray oil to lubricate key movement parts at least once a year at all springs, hinges, rollers and pivot points.
          Once a year, the garage door should be thoroughly inspected and any screws, nuts or bolts that may be loose should be tightened. This is important to keep the garage door moving correctly on the roller.
          Wipe the garage door track with a detergent free of corrosive substances and carefully clean all exposed parts of the drum. Remove all excess moisture. Then use specially designed garage door lubricant or powdered graphite to keep the roller moving smoothly and effectively on the track. Metal doors will inevitably rust and lose paint after a long time; When wooden doors are used for a long time, the surface will begin to turn black and rough. It costs a lot of money to buy a new door, so how to renovate the door? The easiest way is to repaint.