1. The increase of wall thickness can improve the stability of doors and windows;
2. But the safety of doors and windows is not only a problem of profile wall thickness, but also related to the connection strength between hardware, doors and windows and walls;
3. The thermal insulation performance and sound insulation performance of doors and windows have not been improved due to the increase of wall thickness;
4. If the home is located in a high-rise open area, or in a windy area such as the coast, the wall thickness can be appropriately increased according to the local climatic conditions.
