Aluminum alloy doors and windows seepage causes and waterproof methods

The issue of water leakage in aluminum alloy doors and windows is a widespread and persistent problem in construction projects. Over time, it has become one of the most common defects, especially with the large-scale development of residential buildings in China. As the area of doors and windows increases, so does the risk of rainwater infiltration, which significantly affects the quality of construction and leads to considerable economic losses. This problem highlights the need for improved waterproofing measures and more rigorous research into the design and installation of aluminum alloy doors and windows. The following discusses the main causes of leakage and potential solutions. First, the primary causes of water seepage in aluminum alloy doors and windows include: 1. **Design flaws**: Inadequate structural strength or insufficient rigidity can lead to deformation under wind pressure, causing cracks or damage to seals and hardware. If the design doesn't meet local wind load requirements, such as using thin profiles or small cross-sections, the doors and windows may fail during normal use. 2. **Poor waterproof structure**: Insufficient sealing levels and lack of multiple drainage channels make it difficult for rainwater to exit the window cavity, leading to accumulation and eventual leakage. 3. **Improper installation**: Poor assembly, misalignment of seals, or unsealed joints can create gaps that allow water to enter. Additionally, failure to clean surfaces before applying sealants can reduce their effectiveness. 4. **Low-quality materials**: Substandard sealants, rubber strips, or hardware accessories can degrade quickly, lose elasticity, or break, resulting in poor sealing performance. 5. **Inadequate wall-to-window joint sealing**: Gaps between the window frame and the building wall can cause water to penetrate if not properly sealed. To address these issues, several effective waterproofing strategies can be implemented: 1. **Design improvements**: Ensure accurate calculations based on local wind loads and conduct physical tests before installation. Use high-performance windows for areas with extreme weather conditions. 2. **Structural design**: Apply the equal-pressure principle to enhance sealing. Increase overlap between moving parts and avoid sliding windows in high-risk areas. Incorporate drip edges and drainage holes to direct water away. 3. **Precise manufacturing and installation**: Ensure proper alignment and sealing during assembly. Pay special attention to glass installation and corner joints. 4. **Material selection**: Choose high-quality sealants and hardware from reputable manufacturers. 5. **Sealing at the wall interface**: Ensure proper gap size and use waterproof materials to fill the space between the window and the wall. In conclusion, water leakage in aluminum alloy doors and windows is often due to design, installation, material, or construction errors. By improving design standards, enhancing material quality, and ensuring proper installation, it is possible to significantly reduce leakage and build more durable, reliable aluminum doors and windows.

Load Cells By Structural


A load cell (or loadcell) is a transducer that converts force into measurable electrical output. Although there are many varieties of force sensors, strain gauge load cells are the most commonly used type.
Except for certain laboratories where precision mechanical balances are still used, strain gauge load cells dominate the weighing industry.

The Different Types of Load Cells Supplied By Hanyu


  • Single Point Load Cell.
  • Strain load cell.
  • Platform load cell.
  • Canister style load cell.
  • Tension/compression load cell.
  • Digital Load Cell.
  • Miniature Load cell.
  • Beam Load Cell.
  • and more ...


Load Cell Sensor,Interface Load Cell,Strain Gauge Load Cell,Arduino Load Cell

Zhejiang Nanhua Electronic Technology Co., Ltd , https://www.nhloadcell.com