At present, most families in our country choose aluminum alloy doors and windows. This is because the air tightness, switching fluency, strength and beauty of aluminum alloy doors and windows are far better than wooden doors and windows. Moreover, aluminum alloy doors and windows also have the characteristics of easy cleaning, noise prevention and beautiful appearance. The quality of aluminum alloy doors and windows is often affected by processing technology and materials, so we should pay attention to check the material and appearance of aluminum alloy doors and windows when we choose and buy aluminum alloy doors and windows. Let's understand the following knowledge before installing aluminum alloy doors and windows:
Door and window materials include three aspects: frame profiles, glass, hardware. Many customers are in the purchase, aluminum alloy doors and windows often pay more attention to the thickness of door and window profiles and glass, but the requirements for hardware accessories are not high, in fact, this is wrong.
The material requirements of doors and windows have national standards. The thickness and strength of profiles used by high-quality door and window manufacturers can generally meet the national standards. And toughened glass is better than ordinary glass, stainless steel hardware fittings are better than aluminum hardware accessories, it is necessary to understand that the damage of doors and windows usually starts from hardware accessories!
Even if the high-quality glass door and window are damaged by high-quality glass, the glass door and window will be damaged by the plastic film The time can ensure that the area will not be scattered too large, and the safety protection effect is greatly improved.
Broken bridge casement window series:
Liefan series 70 casement window
Liefan series 70 broken bridge energy saving casement window
Liefan series 56 broken bridge casement window
The performance of doors and windows depends on the scope of use, but the following aspects should be considered:
Strength: This is mainly reflected in whether the material selection of door and window profiles can withstand ultra-high pressure;
Air tightness: mainly reflected in the structure of doors and windows, whether the inner leaf and outer frame structure of doors and windows are tight, whether the doors and windows are tight.
Switch fluency: it mainly depends on whether the doors and windows are light when opening and closing. It depends on whether the hardware accessories are qualified. Shanghai door and window manufacturers also largely determine the service life of doors and windows.
The price of door and window products is directly related to the price of selected materials. In general, the price of high-quality doors and windows is not up to the standard of low-quality doors and windows. Therefore, the quality of doors and windows is not up to the standard of low-quality products. Therefore, it is necessary to use low-quality doors and windows to make low-quality products In the purchase of products, do not seek temporary cheap and despise the personal safety of themselves and their families.