Determining whether a high-permeability mesh needs replacement mainly depends on its physical condition, performance, and environmental adaptability. Replacement is recommended when the following conditions occur:
Mesh Damage or Holes: If the mesh has localized tears, holes, or broken fibers, especially in corners or stress areas, its mosquito-repelling effect is significantly reduced, and replacement is necessary.
Loose Mesh that Cannot Be Returned to its Original Position: Normal high-permeability mesh has good resilience. If it cannot return to its flat state after repeated pulling, exhibiting "bulges" or "collapses," it indicates a loss of tension, affecting sealing and aesthetics, and replacement is recommended.
Repeated Repairs Ineffective: If multiple local repairs have been made, but the damage continues to expand or new problems frequently arise, it indicates overall structural aging. Continued use will require frequent maintenance, and the entire mesh should be replaced.
Significantly Reduced Mosquito-Repelling Effect: An increase in indoor mosquitoes, especially frequent flying insects even with doors and windows closed, may be due to enlarged mesh openings caused by aging or inadequate sealing of gaps. Inspection and replacement should be considered.
Difficult to clean or heavily soiled: If the mesh surface accumulates dust and oil stains over a long period and is difficult to clean, it will not only affect light transmission but may also breed bacteria. Severely soiled mesh is also prone to accelerated corrosion; replacement is recommended to ensure a healthy environment.
Damaged frame or track: High-transparency mesh relies on the frame for fixation. If the aluminum alloy frame is deformed, screws are loose, or the track is jammed, causing the mesh to be unable to open or close properly or to seal poorly, the mesh itself must be replaced or upgraded.
