The full name of security doors is Anti-theft Security Doors. They possess anti-theft and security features. On basis of the general provisions of anti-theft security doors, these doors cannot be pried open within 15 minutes with the use of chisel, Screw drivers, Crowbars and her common hand tools. And even with portable hand tools such as Power drills. Neither can a 615mm squared opening be made on the door leaf. Also, a small hole of 38mm squared cannot be made at the 150mm squared locking point.
Anti-theft security doors must have a special anti-drill lock that must be tested and approved by the Ministry Of Public Safety Testing Center.
Different materials can be used to make anti-theft security doors, but they should be made to the qualified standard, with a Security Products License/Certificate.
一 1. Classification of the types of Security Doors.
Anti-theft Security Doors according to their different structures can be divided into Swinging Doors, Fence/Barrier doors, Foldable Fence/ Collapsible Doors. But the Swing doors are currently the most used in homes. The Fence type is used mainly in buildings with electronic intercom control system products. It can also be used in estates or residential walk ways, as well as intercom buildings. Sliding doors are mainly used in small business shops.
For the average consumer, residential security doors are the swinging type, which currently have the largest demand in the market. Some standards call this type of door a household or entrance door, which are terms used to differentiate it as Indoor or Outdoor door. Therefore, apart from being a security door, it also offers temperature insulation, sound proofing, aesthetics among other things.
Swinging doors can be formally divided into Normal swinging door, Door-in-Door, Intra-gate security door and Composite security doors. The Normal swinging doors are opened and closed by a single door leaf, Door-in-Door security door has the advantage of both the swinging type and the collapsible security door. Its outer part is the collapsible door; behind the collapsible door is a small door which if opened, can be used for ventilation and other purposes. If the small door is closed, the collapsible door functions as a normal swinging door.
Intra-gate security doors are generally used as household security doors with comparatively larger frames. This is usually to ensure easy access in and out of the house. And also make it easy to move big furniture into the house. Composite doors, also known as “1 frame, 2 doors”, has a collapsible door in front, sealed by a swinging door behind.
二 2. Safety/Security grades of Anti-theft Security Doors 按安全级别分
Anti-theft security doors can be divided according to their safety level into grades A,B and C with grade C being the highest and grade A being the lowest. What we have in the market these days are mostly the grade A security doors. It is more suitable for the general residential consumption of most customers.
三 3. Difference according to material type 从材质上分
According to the type and quality of materials, security steel doors can be divided into; STEEL, STEEL-WOODEN, STAINLESS STEEL, ALUMINIUM ALLOY, and COPPER. They all have their own quality and performance characteristics. And naturally, their prices are not the same.
