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Security door material type
Security doors are mainly divided into five types from the material: steel, steel and wood structure, stainless steel, aluminum alloy and copper, which have their own characteristics in terms of quality and performance, natural prices are not the same.
Steel anti-theft door: It can be said that it is the most commonly seen on the market and most people use it. Most of the security doors that people are familiar with belong to this series. This kind of door is cheaper and more reasonable, and its sales account for more than 90% of the total market sales. The disadvantage of this type of door is that the exterior lines are hard and it is difficult to integrate with modern interiors.
Steel-wood door: It is a kind of door that can be matched with interior decoration. Generally, it can be requested by the user. The anti-theft performance is achieved by the middle steel plate. The manufacturer can choose different colors, wood, lines, patterns and interior decoration according to the user's requirements. Blended, it is no longer as cold as the steel door. Therefore, its price is also more expensive than steel security doors.
Aluminum alloy security door: This kind of aluminum alloy door material is different from ordinary aluminum alloy doors and windows we see, its high hardness, and bright color, and then decorated with decorative patterns, giving a sense of magnificent, Is a mid-range security door. Because this door is not easy to fade, it also has a certain consumer group.
Stainless Steel Security Doors: Stainless Steel Security Doors are rugged and more secure. At present, stainless steel security doors in the market are too monotonous in color, and they are basically silvery. This kind of color makes people feel very stiff, and is not easy to harmonize with the door and surrounding environment, and if there are collisions and welding marks on the surface, it will be very obvious. Because of the price factor of stainless steel itself, its price positioning is also high.
Copper anti-theft door: Most of the copper anti-theft door integrates the traditional anti-theft door into the door, advanced style, and has a good performance in fire protection, anti-corrosion, anti-smashing, dust protection. From the material point of view, copper security door is the best, from the price point of view, it is also the most expensive, the market can see the basic price of 5,000 yuan, the most expensive can be on the million. It is mainly used for financial institutions such as banks or high-end residential villas.
Security door purchase points
(1) Consumers should select the appropriate anti-theft security door according to the actual requirements such as the size of the door opening, the opening direction, and the color pattern.
(2) The anti-vandalism function is the most important function of anti-theft security door. When buying, the seller can be required to show the relevant department's inspection certificate, and the product quality should meet the technical requirements of the national standard gb17565-1998 "General Technical Conditions for Anti-theft Security Door".
(3) The thickness of the steel plate of the qualified anti-theft security door frame shall be 2mm or more, the thickness of the door body shall be generally more than 20mm, and the weight of the door body shall be inspected. Generally, the weight of the door body shall be 40kg or more, and the cat's eye, doorbell box or lock handle may be removed. Check the internal structure of the door body. The thickness of the steel plate of the door body should be more than 1.0mm. There are several reinforcing steel bars inside, so that the front and rear panels of the door body are organically connected together to enhance the overall strength of the door body. The door is best to have asbestos and other fireproof. As a filling material, the insulation, sound insulation, and material are used to knock on the door to make a "click" noise. Consumers should flexibly open and close the door by hand.
(4) Check the quality of the process: special attention should be paid to checking for any welding defects such as open, unwelded, missing welds, etc. See if the cooperation of the door leaf and the door frame is dense, whether the gap is uniform, whether the opening is flexible, and whether all the joints are dense, the surface of the door panel should be treated with antiseptic treatment. Generally, the surface of the door panel should be painted and sprayed, and the surface of the paint layer should be free of bubbles, uniform in color and large in size. Most doors also have rubber seals embedded in the door frame, and no harsh metallic impact sounds are emitted when the door is closed.
(5) Lock inspection: Qualified security doors generally use the special anti-theft locks that have passed the inspection of the department. At the same time, there should be steel plates with a thickness of 3.0 mm or more to protect the locks. Many anti-theft locks are multi-directional locks. The advantage is that not only the door lock is locked, but also the upper and lower cross bars can be inserted and locked to fix the door. Greatly increased the door's flood prevention performance. The "G/T73-94 Mechanical Anti-theft Lock" issued by the Ministry of National Affairs clearly stipulates that the mechanical thieves anti-theft locks are classified into the general protection level and the advanced level, and are expressed in terms of a and b levels. Class A locks are locks with a non-destructive on-time of not less than 15 minutes and anti-technical on-times of not less than 1 minute. Class B locks are those with a non-destructive on-time of not less than 30 minutes and a technical open time. In 5 minutes (anti-technical opening refers to the ability of professional technicians who use locks to use special tools to open the locks using operating methods). And in the same situation, the security performance of b-class anti-theft lock is 5 times that of a-class lock.
(6) Brand Guarantee: Brand is a sign of product quality and service. The brand mainly refers to the product brand and the dealer brand. When buying the security door in the market, it is best to purchase the large-scale home building materials city. When purchasing, you should also pay attention to the “fam†sign of security doors, company name, implementation standards, and so on. The doors that meet the standards can be safe and reliable.
(7) After installing the security door, the user must first check whether the key and insurance policy, invoice and after-sales service order and other accessories and information are consistent with the accessories and materials provided by the security door manufacturer. When the lock that has been installed on the door body is opened with a key, the lock cylinder should be easy and flexible, and there should be no jamming; the door should be flexible and free from jams, abnormal sounds, etc. during the process of opening 90 degrees.
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In our home, if you want to choose the armored warriors, the most well-deserved is undoubtedly the security door in your home. As the first pass of home security, the security door has a major mission. Although developers will send a security door when handing in the room, many families choose to reinstall a security door during the renovation.