Polyurethane foam: This is a widely used filler. It has excellent thermal insulation performance, which can effectively block the transfer of cold and heat from the outside world, so that your home can maintain a comfortable temperature. At the same time, polyurethane foam also has a good sound insulation effect, can reduce the interference of external noise, so that you can enjoy a quiet life.
Fireproof rockwool: True to its name, this filler has excellent fireproof properties. In the event of a fire, it can play a certain barrier role, for you to gain valuable escape time. In addition, fireproof rock wool also has certain thermal insulation and sound insulation effects.
In addition to the above two common fillings, there are a number of other materials that are also used to fill system doors. Different fillings give different characteristics to the system door, and you can choose the right system door according to your needs and preferences.
Understanding the stuffing of the system door not only allows you to be more intelligent when purchasing, but also allows you to have a deeper understanding of the performance of the door. Let's explore the mystery of the system door and choose a better door for your home!