Unverified90% confidenceDecision RuleTime unknown
隔音效果70%取决于窗框密封和安装工艺而非玻璃本身;再好的Rw玻璃若窗框气密性差(缝隙漏声)也无效,选购必须确认窗框气密性等级≥6级并采用多道密封胶条
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90%
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Long-term
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Unverified整窗气密性达到国标8级(最高级)是隔音的前提,缝隙漏声会使高等级玻璃隔音失效,选购应要求多道密封胶条+等压腔排水设计80% similarUnverified隔音需求高的临街窗户,单靠密封条只能解决缝隙漏音(约降3-5分贝),玻璃本身透声无法靠贴条根本解决;密封条应作为隔音窗/加装内窗方案的补充,而非替代79% similarUnverified隔音真正的短板往往是气密性而非玻璃,选窗要认气密性等级(国标8级最高),并要求平开窗采用双道或三道密封胶条、多点锁执手,缝隙比玻璃更容易漏声77% similarUnverified只换玻璃不换型材和密封结构,隔音提升有限,若窗框本身气密性差应整窗更换而非局部改造77% similarUnverified隔音门窗比墙体更关键:房间隔音的短板通常是门缝和单层玻璃窗。做了昂贵隔音墙却用普通木门(Rw仅约20dB)等于白做。优先加装隔音门(实心门+全套密封条)和双层/三层中空玻璃76% similar
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