What kind of security door has good feng shui?
What kind of material is good for security doors?
Steel security door: Steel security door is the most common and commonly used one in the market. The security door, which is mainly made of steel, has a steel plate thickness of over 2mm and a door plate thickness of over 20mm. It has a heavy weight, generally over 40kg, and is affordable, but it is hard in appearance, single in color and poor in decoration.
Steel-wood security door: made of wood chips wrapped with steel plates, and the steel plate in the middle has the function of anti-theft. Because the surface is covered with sawdust, you can choose different colors, textures and lines, and the decoration effect is better, but the price is higher, and it will leave holes on the door panel after impact.
Aluminum alloy security door: Unlike aluminum alloy doors and windows on the market, aluminum alloy security doors are hard and have patterns on the surface, which are not suitable for fading and corrosion. Some aluminum alloy security door hinges use pull nails, which can't be disassembled, and the door will make a metal friction sound.
Stainless steel security door: the stainless steel security door is made of 20 1 or 304 aluminum alloy, the thickness of steel plate is not less than 20mm, the thickness of front and back of door leaf is between 8- 10mm, and the surface is decorated with different metal colors and patterns, which is durable and safer.
Copper security door: copper security door is generally integrated with the entrance door, with outstanding fire prevention, anti-corrosion, anti-prying and dustproof performance. In fact, from the material point of view, copper security door is the best, but the price is more expensive.
How to choose anti-theft door
See the certificate: the security door that meets the requirements should have the inspection certificate issued by the legal institution, and the production certificate of the security technology prevention product issued by the installation technology prevention department of the provincial public security department (bureau) where the production enterprise is located.
Look at the grade: according to the thickness of the door panel and door frame, the security door is divided into four grades: A, B, C and D, with A being the best, and other grades by analogy. The price of A-level landlord is about 4,000 yuan/fan, and the price of D-level security door is about 300 yuan/fan. The official grade mark should be placed on the door frame inside the door.
Door lock: The qualified security door adopts a special anti-theft lock that has been tested by the public security department. The lock should be protected by a steel plate with a thickness of more than 3 mm The door lock is divided into three grades: A, B and Super B. Super B is the best, and the opening time of Super B technology is longer than 180 minutes.
Look at the thickness and weight: the thickness of steel plate is above 2mm, the thickness of door body is above 20mm, and the weight is above 40kg, so it is a better security door.
As you can see, in today's article, we introduced five kinds of security doors made of different materials, and we also mentioned their characteristics. In fact, in addition to knowing which material is better, we also suggest that you know more about how to choose a security door, because when choosing a security door, you can't just look at the material of the security door, such as the quality of the door lock or the thickness of the door panel. These data can also reflect the security effect of the security door.