What to do if the drainage holes of a 55 Series single casement window are blocked? Unclogging and prevention
Clogged drainage holes are a common maintenance issue for the 55 Series single-opening aluminum alloy windows, typically manifesting as water accumulation in the window frame, water seepage during rainy days, or abnormal noises when opening and closing. This article provides a complete self-inspection and handling process, from the causes of clogging, a three-step unclogging method, source prevention, to when supplier intervention is needed, helping engineers and procurement personnel quickly assess the nature of the problem and take correct action.
