Unverified80% confidenceDecision RuleTime unknown
克重≥300g/㎡的窗帘布垂坠感好且隔音降噪明显（可降低5-8分贝），临街房间建议选350g/㎡以上
1
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80%
Confidence
Long-term
Relevance
-
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Unverified窗帘克重≥250g/㎡才具备明显隔音+遮光效果，300g/㎡以上为加厚款；隔音主要靠厚度和垂坠感，实测降噪约3-8分贝，无法替代隔音窗91% similarUnverified隔音需要克重≥300g/㎡的厚重面料+褶皱倍数2倍以上（即窗帘展开宽度是窗户宽度2倍），仅靠遮光涂层几乎无隔音作用，临街或近高架房间应选高克重绒布并做2-2.5倍打褶84% similarUnverified真正有隔音效果的窗帘克重需≥400g/㎡，多层结构（三层以上含中间隔音夹层）比单层加厚更有效；克重＜250g/㎡的普通遮光帘基本无隔音价值83% similarUnverified遮光卷帘面料克重≥350g/㎡（涂层款）时垂坠性好、抗风不易飘动，克重＜250g的薄款容易卷边翘曲，大幅宽窗户（＞1.5米）应优先选350g以上83% similarUnverified窗帘布的克重（g/m²）反映厚度与遮光隔音能力：≥300g/m²为厚重款隔音遮光好但需承重更强的轨道；180-250g/m²为常规款；<150g/m²遮光隔音均弱82% similar
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