Unverified90% confidenceDecision RuleTime unknown
窗帘漏光80%来自四周缝隙而非布料本身:布料宽度需为窗宽的1.8-2倍以保证褶皱和覆盖,两侧各超出窗框15-20cm,长度落地或过窗台20cm以上,否则再好的遮光布也漏光
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Unverified全遮光要做好'四边包裹':窗帘宽度需比窗户两侧各多出15-20cm,长度触地或落窗台以下,并搭配封闭式窗帘盒或双层帘头,否则顶部和两侧的漏光会让全遮光布形同虚设91% similarUnverified褶皱倍数(布料宽度/窗户宽度)建议2.0-2.5倍才饱满立体,1.5倍显稀疏塌陷。全遮光效果还依赖侧边遮光:安装时窗帘应比窗户每侧宽出15-20cm,顶部用轨道盒或加高安装避免漏光90% similarUnverified窗帘宽度=窗户/轨道宽度×2(褶皱倍数2.0)才有饱满垂坠感,1.5倍偏平,低于1.5倍拉开后布料稀疏还会漏光,测量时算的是成品宽而非布料展开宽89% similarUnverified尺寸适配:窗帘宽度应为窗户实际宽度的1.5-2倍(褶皱比),才能保证拉合后无漏光缝隙;遮光需求高时窗帘长度和宽度都要超出窗框10-15cm,尤其两侧要留足搭接量避免侧漏光89% similarUnverified窗帘尺寸适配:遮光窗帘宽度需为窗宽的1.8-2倍以保证褶皱密度和挡光,高度应超出窗框上下各15cm以上,罗马杆需超出窗两侧各15cm,否则侧漏光严重88% similar
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