Unverified85% confidenceDecision RuleTime unknown
遮光窗帘的实际遮光效果取决于安装方式：罗马杆/挂钩式两侧和顶部会漏光，全遮光需选择包裹式轨道（暗轨+侧封）或加装遮光盒/回形弯轨，让窗帘紧贴墙面并超出窗框两侧各15-20cm
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Unverified遮光窗帘遮光率高度依赖安装方式：罗马杆/挂钩式两侧与顶部会漏光，真正实现暗房需做U型侧封轨道+顶部封边+帘布超出窗框两侧各15cm、底部落地，仅换布不改安装遮光效果打折严重91% similarUnverified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91% similarUnverified真正的遮光效果靠罗马杆两端加装遮光挡光片或使用天轨+侧封条，普通窗帘杆本身不遮光——追求卧室完全遮光应选择天轨轨道+两侧包边距墙2cm以上，或罗马杆外加遮光盒91% 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90% similarUnverified追求全遮光时窗帘宽度需超出窗户两侧各20cm、顶部用罗马杆改轨道或加装帘盒挡光，否则边缘和顶部漏光会让99%遮光布实际体验大打折扣90% similar
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