What should I do if there is noise when the security door is closed after renovation

1. All security doors are not electric, how can there be noise? You probably mean that the security door makes a noise when it closes. It is possible that the floor is rubbed together with the security door after the floor tiles or wooden floors have been laid.

To adjust the height of the floor tiles, knock off a part of it if necessary. Otherwise, the coupling is not good, try some oil.

Widespread problem. The hinge lacks anti-rust lubrication, and the switch is laborious, which affects the appearance, squeaks, and affects the rest.

Macalon and other well-known hinge brands use tiger head hotolube or Kruber hinge grease, colorless and transparent, good adhesion and good durability. There is a 130-gram tube package in the leopard, which is also suitable for sliding door slides, etc. Apply grease directly to the hinge and it will slowly penetrate into the hinge.

The service interval is four to six months,.。

It is not advisable to use lubricating oil or ordinary butter, which is easy to lose or freeze at low temperature, and will volatilize harmful odors. Vegetable oil quickly rancid, develops an odor and loses its lubricating effect,.。