55 Series single-leaf aluminum alloy window not closing tightly? Three steps to self-check and solve
This article provides a set of self-operable "three-step self-check method" for the common issues of poor sealing and air leakage in the 55 series single-opening aluminum alloy windows: checking lock point deviation, hinge looseness, and aging of sealing strips. At the same time, we will also help you determine when to contact the supplier and under what conditions you should consider upgrading to the 60 or 70 series. The article aims to assist engineers and purchasers in reducing after-sales issues, quickly locating faults, and making reasonable maintenance or upgrade decisions.