How to judge the quality of UPVC doors and windows

UPVC profile quality: UPVC profile is the decisive factor in the quality and grade of plastic steel doors and windows. A good UPVC profile should have a multi-cavity design, thick walls, and a formula that contains anti-aging and anti-UV additives. From the appearance, the color of high-quality UPVC profiles should be white with bluish color. This color has good anti-aging properties and can maintain no aging, discoloration or deformation in the outdoor environment. Profiles of poor quality are generally white with yellowing, have poor sun protection, and are prone to aging, deformation and brittleness. When purchasing, consumers can put the cross sections of different profiles together for comparison, and make preliminary identification through color and feel.
Quality of hardware accessories: The hardware accessories of high-quality plastic steel doors and windows are made of metal and have high strength, while inferior plastic steel doors and windows may use plastic hardware, which will have a negative impact on the quality and service life of the doors and windows.
Sealing performance: UPVC system doors and windows should have good sealing performance to ensure the comfort of the indoor environment. Consumers can judge the sealing performance by observing the sealing strips and switch flexibility of doors and windows.
Thermal and sound insulation performance: UPVC system doors and windows should have good heat and sound insulation performance to improve the comfort of the living environment. Consumers can understand its thermal and sound insulation performance through actual experience or asking sales staff.
Aesthetics: In addition to practical functions, UPVC system doors and windows should also be beautiful and elegant. Consumers can choose colors and styles according to their preferences and needs to create a unique and personalized home space.