6 Causes and prevention methods of rainwater leakage of aluminum doors and windows
According to anodized aluminum window factory,Rainwater leakage of aluminum alloy doors and windows in construction projects is the most common during use, and it is also difficult to cure. It has a great impact on the quality of construction projects, and the economic losses caused are even more unpredictable. With the large-scale development of China's civil housing, residential buildings are becoming more and more high-rise, facing the needs of building lighting and appearance beautification, the single area of doors and windows is becoming larger and larger, and the problem of rainwater leakage is becoming more and more prominent. At the same time, the rainwater leakage phenomenon of aluminum doors and windows is widespread and similar in other materials of doors and windows, and some are more severe. Therefore, it is necessary to analyze and deal with the rainwater leakage of aluminum doors and windows, which not only solves the problem of rainwater leakage of aluminum doors and windows, but also has the same guiding significance for rainwater seepage of other types of doors and windows.
The main reasons for rainwater leakage of aluminum doors and windows can be roughly divided into four categories,according to anodized aluminum window factory.
One: In the design process, the doors and windows have defects in their structure; two: they fail to meet the quality requirements during processing and installation; three: they are caused by different materials and accessories; four: they are caused by improper sealing treatment of the connection part with the opening wall.
Among these four categories, leakage caused by one or four items is more harmful and difficult to deal with. In addition, there are also defects in the building structure itself that cause rainwater leakage at the junction of doors and windows and the wall of the opening, but this is not a problem of leakage of doors and windows.
A. The design of the waterproof structure of aluminum doors and windows is unfair, the waterproof sealing level is not enough, and the drainage channel in the structural cavity of aluminum doors and windows is not formed,according to anodized aluminum window factory. When rainwater enters the aluminum door and window cavity and enters the room easily under the action of the indoor and outdoor wind pressure difference, the rainwater entering the aluminum door and window cavity cannot be smoothly discharged outside through the aluminum door and window drainage system and stays in the door and window to cause accumulation. Water leaks.
B. according to anodized aluminum window factory,The structural strength and stiffness of aluminum doors and windows fail to meet the requirements of the wind pressure resistance of the aluminum doors and windows where they are used, causing the stressed members, hardware accessories, seals and bonding materials of aluminum doors and windows to be under normal wind loads Severe plastic deformation, tearing or damage, etc., cause the sealing failure of the door and window body and cause rainwater leakage. The reason is that the product failed to accurately calculate and design the strength according to the specifications, and did not pass the physical function test against wind pressure before production and installation.
C. In the process of architectural design, improper use and selection of aluminum alloy doors and windows is also one of the reasons for rainwater leakage of doors and windows,according to anodized aluminum window factory,. The most common example is the use of ordinary sliding doors and aluminum doors and windows for the facades of high-rise buildings or areas with heavy rainfall. At the same time, they are directly used without taking necessary waterproof measures on the structure of aluminum doors and windows or on the structure of the building.
D. When the aluminum doors and windows are installed on site, the assembly size is not well controlled, causing the positions of the overlap seals to be misplaced or insufficient overlap size, or there is a gap due to sufficient pressure, and the fastening screws used to fix the door and window frames are not closed. Sealing with glue, the surface of the sealed part is not cleaned when sealing with sealant, etc.
E. The sealing material used in aluminum doors and windows is too poor, such as the rubber strip is too hard, the anti-aging time is short, the sealant is used out of date or the fake glue is used, the resistance to displacement is poor, and it is easy to crack,according to anodized aluminum window factory.
F. The processing precision of aluminum doors and windows does not meet the quality requirements, and the matching gap is too large. The parts that need to be bonded after assembly are not coated with sealing materials and assembled directly, causing rainwater to easily penetrate the doors, windows and main structure through various assembly gaps.