Security Door Selection Guide

The door is a patron saint of a home. How to choose a security door to buy quality and cheap?

A look at the certificate security door should have the relevant departments of the test certificate, product quality should comply with the national standard G B-17565-1998 "security technical standards for anti-theft door" technical requirements. According to the relevant standards, the security level of security doors can be divided into A, B and C grades, of which C-class anti-theft performance is highest, followed by B-level, A-level minimum, most of the general building materials market sales are A-class security doors, Suitable for general home use.

Secondly, the steel plate thickness of the qualified anti-theft security door frame should be more than 2 mm, the thickness of the door body is generally more than 20 mm, and the weight of the door body should generally be more than 40 kg. It can be checked by removing the cat's eyes, doorbell box or locking handle. The internal structure of the door body, the thickness of the door plate should be more than 1mm, there are several reinforcing steel bars inside, so that the front and rear panels of the door are organically connected together. The door is best equipped with asbestos and other materials with fireproof, thermal insulation and sound insulation functions as filling. Objects, knocking on the door by hand will make a "click" noise. In the selection of security doors, try to select those with thick door panels, anti-drill steel cover, open the door to the outside.

The third door lock is to check whether the anti-theft lock used by the public security department has been tested. A steel plate with a thickness of 3.0 mm or more should be protected at the lock. Qualified security doors generally use three-dimensional locks. Not only are the doors locked, but the upper and lower crossbars can be inserted and locked to fix the door. The inferior product generally does not have a three-point locking or self-selecting three-point locking structure, and is not actually anti-theft or often fails. Most doors also have rubber seals embedded in the door frame, and no harsh metallic impact sound is emitted when the door is closed.

I believe that after reading this article, readers will have a certain understanding of the security door selection. Security doors are the patron saint of our family. Care must be taken when choosing security doors.