HOW SHOULD A GOOD STEEL DOOR BE?
We can list many titles about how a good steel door should be. First of all, you should make sure that the company from which you will buy steel doors has experienced, reliable and good references. A very expensive door does not mean very good, and we cannot think that a cheap and economical door is very poor quality. This may cause you to make a wrong choice. It is beneficial to pay attention to the criteria listed below in choosing the right and good steel door. -Insulation wicks used in steel doors should not be made of spongy material. They are door seals that deform in a short time while standing very sharp while purchasing. The deterioration of the door wick causes the door to make a lot of noise when closing. However, the deterioration of the door seal causes the thermal insulation of the door to be destroyed. The fuse of the door will cause the door frame and wing to hit each other with further deterioration. -The thin sheet will cause continuous distortion.