Unverified88% confidenceDecision RuleTime unknown
窗帘遮光要靠边缘密封而非布料本身，四周漏光会大幅降低实际遮光效果；追求全黑应选罗马杆两侧超出窗框15cm以上、底部拖地或过窗台20cm，或加装遮光盒/侧封条
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified遮光要彻底必须解决四周漏光：窗帘宽度做窗户1.5-2倍并两侧超出墙面各15-20cm，顶部用罗马杆无缝或加装帘头盒挡顶光，否则布再黑边缘仍漏光92% similarUnverified全遮光面料因带涂层会在窗帘四周和安装侧边留下漏光缝隙，若追求极致全黑需搭配侧轨（导轨）安装或选择外装超窗宽10cm以上的方式，普通内装全遮光卷帘仍会有边缘漏光92% similarUnverified真正的遮光关键在于窗帘四周的漏光而非布料本身：需帘布左右各超出窗框15-20cm、顶部用箱式帘头或吊顶暗轨，底部离地1-2cm，否则再高遮光率也漏光成框92% similarUnverified遮光率与漏光是两回事：即使布料100%遮光，帘布与墙面间隙、罗马杆顶部、两侧边缘仍会漏光，全黑环境需搭配封闭式窗帘盒或L型侧挡+超出窗框15cm以上92% similarUnverified底部漏光加装遮光挡板/加长下摆时，窗帘应比窗台低10-15cm并落地，仅盖住窗台的短帘无论如何都会有地面反射光进入90% similar
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