11 Apr, 2024
High-quality UPVC profiles should have a multi-cavity design, moderate wall thickness, and contain anti-aging and anti-UV additives. Appearance, it should be smooth and bluish white in color. When consumers purchase, they can compare the cross-sections of different profiles and make preliminary identifications through color and feel. Profiles of poor quality may turn yellow due to formula problems, have weak sun protection capabilities, and are prone to aging and cracking.
Hardware selection is also crucial. The hardware of high-end doors and windows is usually made of metal, and its inherent strength, appearance and usability directly affect the performance of doors and windows. When purchasing, you should pay attention to check the material and workmanship of the hardware to ensure its quality is reliable.
Checking the assembly quality of doors and windows is also an important part of judging durability. Observe whether the appearance of the doors and windows is smooth and undamaged, whether the welding angles are neat, whether the hardware is complete, whether there is a steel lining, etc. These details can reflect the manufacturing process and quality control level of doors and windows.