Here are the detailed recommendations on whether the windows and doors installed by the developer need to be replaced:
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First, the entrance door
- Confirm whether it is an anti-theft door: First of all, you need to confirm whether the entrance door installed by the developer is an anti-theft door. The security door usually has the corresponding logo or stamp, if not, it may not be the security door, it is recommended to replace it.
- Check the security door level: If you confirm that it is an security door, you need to check its level. The Grade A security door is the highest level, and the vandal-proof opening time is 30 minutes. If the developer installs a or B security door, then the quality is usually more reliable and can be considered not to be replaced.
- The grade of the door lock cylinder: In addition to the door body itself, the grade of the door lock cylinder is also very important. It is advisable to choose a Class B or Class C cylinder, which is more secure.
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Second, anti-theft windows
- Material inspection: If the developer is using plastic steel material, it is recommended to replace it because the strength of plastic steel material is relatively low and it is easy to age.
- Aluminum alloy doors and windows: If the developer installs aluminum alloy doors and windows, it is necessary to check the thickness of the profile, the firmness of installation, the freedom of opening and closing, and the sealing. If all of the above meets the requirements, then it is possible to consider not replacing them.
- Broken bridge aluminum material: Broken bridge aluminum material is a more popular door and window material in recent years, with excellent heat insulation, sound insulation, waterproof, windproof performance, if conditions permit, you can also consider replacing it with broken bridge aluminum material.
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3. Summary
- Door: If the developer does not install an anti-theft door or the anti-theft door is of a low grade, it is recommended to replace it; If it is a class A or B security door, you can consider replacing only the lock cylinder.
- Windows: If the developer uses plastic steel materials, it is recommended to replace them; If it is an aluminum alloy door or window, it is necessary to check its performance before deciding whether to replace it; If conditions permit, you can also consider replacing it with broken bridge aluminum material.
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Finally, it is advisable to conduct a detailed inspection of the doors and windows installed by the developer before renovation, and make decisions based on the actual situation and your own needs. If there are any doubts or uncertainties, it is advisable to consult a professional door and window installation company or renovation company.
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