55 Series Aluminum Alloy Window Daily Maintenance Checklist: Do it once a year, extend the lifespan by ten years
The lifespan and performance of the 55 Series single-leaf aluminum alloy window mainly depend on the maintenance of sealing strips, hardware fittings, and the drainage system. This article provides a complete set of annual maintenance steps to help contractors and purchasers extend the effective lifespan of the entire window from 10 years to over 15 years. At the same time, we clarify which faults can be handled independently and which must be reported to the supplier, and provide the decision-making boundaries for selecting between the 55 Series and the 60/70 Series, helping you make the right judgment under different project conditions.