Five national standards for door and window curtain wall, such as General Technical Conditions for System Doors and Windows
"General technical conditions for system doors and windows" and other doors and windows curtain wall 5 national standards issued.
GB/T 39524-2020 Test Method for Weather Resistance of Building Doors and WindowsGB/T 39525-2020 Test Method for Firmness of Glass Curtain Wall Panels
GB/T 39526-2020 Classification and Test Method for Air Sound Insulation of Building Curtain Wall
GB/T 39528-2020 Test Method for Seismic Fall-off Resistance of Building Curtain Wall Panels
GB/T 39529-2020 General Technical Conditions
existing building doors and windows detection methods for a single performance under a single climate conditions, the actual use of temperature, humidity and other factors repeated the role of the environment. "Weathering Test Method for Building Doors and Windows" refers to the relevant standards at home and abroad, and puts forward the test method of performance change of doors and windows under the repeated action of temperature, humidity, water, light and other factors.
The falling off of curtain wall panels in earthquakes is one of the secondary disasters of earthquakes, and it is of great significance to evaluate the safety of curtain wall panels in earthquakes. "Building curtain wall panel anti-seismic shedding detection method" proposed by the dynamic loading device to simulate the main structure in the seismic load generated by the deformation between the layers, testing the curtain wall test panel and accessories anti-damage and shedding ability.
System doors and windows are hot spots in the industry. What are system doors and windows, what is the relationship between system doors and windows and existing doors and windows, what are the research and development evaluation contents of system doors and windows, and how to express system doors and windows. General Technical Conditions for System Doors and Windows answers the above questions.
The five standards in the field of door and window curtain wall respond to the hot spot "system door and window" in the industry, and propose test methods such as weather resistance of door and window, sound insulation performance of curtain wall, panel firmness, panel resistance to earthquake falling off, etc., which fill the gaps in relevant domestic fields, improve the standard system of door and window curtain wall, and are of great significance to further standardize and improve the product quality and industry level of door and window curtain wall.
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Among many building materials, aluminum alloy doors and windows must be used in home decoration. As the first line of defense, doors and windows not only protect the safety of the home, but also reflect the taste of the room. In the face of a dazzling array of products, consumers should be how to choose the right aluminum alloy? In the strong promotional smoke of major businesses, the selection of a practical aluminum alloy products has become a point of concern for many people.
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