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Buy security door should pay attention to the following four points
Distinguish the difference between anti-theft door and metal door, do not trust the propaganda of sales staff, when ordering, the operator should indicate the anti-theft door in the commodity name column, in order to prevent illegal operators from using "steel door", "protective door", "anti-pry door", "armored door" and so on as anti-theft door;
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How to judge the quality of door and window enclosure components in the home
Doors and windows are the two enclosure components in the house. The main functions are for traffic access, separation and connection of building space, ventilation and lighting, etc. The general requirements for checking doors and windows are that the installation is flat and firm, there is no warping deformation, the opening is convenient and flexible, the closing is tight, the function is reasonable, the maintenance is convenient, the spare parts are fully assembled and the position is accurate.
Fire door manufacturers to introduce you to the classification of fire doors
According to the different materials, fire doors can also be divided into steel, wood fire doors and glass fire doors. Wooden fire door refers to the use of wood or wood products for the door frame, door panel, skeleton, filled with non-combustible materials inside the door leaf, and equipped with hardware parts to meet the fire stability, integrity and heat insulation requirements of the door. Steel fire door refers to the use of cold-rolled thin steel plate for the door frame, door panel, skeleton, in the door leaf filled with non-combustible materials, and with hardware parts composed of can meet the fire stability, integrity and heat insulation requirements of the door. Glass fire door refers to the steel fire door with fireproof glass as the door panel.
Technical Requirements of Wooden Fire Door Manufacturers
According to the requirements of building fire protection regulations such as "building design fire protection code", fire doors are used for the opening of firewall, staircase entrance and exit, evacuation walkway, pipeline well opening and other parts, and play the role of fire separation. According to the material, the fire door is usually divided into two categories: steel fire door and wooden fire door. Now the fire door manufacturer introduces the wooden fire door.
Fire door manufacturers introduce the development of fire door prices
With the continuous development and improvement of the market economy, the price of fire doors has also changed. At the same time, due to the increase of labor cost and raw material cost, the price of fire door also fluctuates. The following by the fire door manufacturers to introduce the development of fire door prices.
Fire door manufacturers introduce fire shutter door rail installation
With the rapid development of social economy and the construction of high-rise buildings, the appearance of the city has changed greatly. However, due to the number of building floors and area are much higher than before, especially in large shopping malls, comprehensive exhibitions, such as due to the area is too large, more than the fire zone allowed area regulations, in the use of firewalls for fire separation, and is not easy to operate and manage, so more use of the fire shutter door instead of fire partition. In the fire work, it is found that there are many common problems in the engineering design of the fire shutter. Blind set fire shutter door, not only increased the project cost, more directly affect the building fire, smoke effect, reduce the building
