Community contributors: Anita Huang, 昆哥, may🇦🇺室内外装修, Garry L., yea
Summary
Key Points
Why it matters: 明确铝合金窗无法合拢或漏风的根本原因，有助于房东在微调修复与整窗更换之间做出合理的成本决策。
老旧住宅铝合金窗出现打不开、关不严或下沿漏风现象，多由于房屋基础沉降导致窗框结构产生不可逆的微小变形（超过2毫米即难以通过调整螺丝复原）。对于轻微漏风，可优先检查并更换风槽密封条；若窗框严重变形，则只能整体更换。公寓与独立屋在更换定制及施工难度上差异较大，需提前比价。
Practical Takeaway
Use this note as a practical prompt before making decisions. Check the rules in your state, keep written records, and seek qualified advice where needed.
Disclaimer
This note is edited by APOA from community discussions with private details removed where possible. It is general information only and is not legal, tax, financial, or property management advice.