Unverified85% confidenceDecision RuleTime unknown
透光率(VLT)与遮光需求：客厅采光区选VLT≥50%的高透膜避免变暗，卧室/卫生间隐私区可选VLT 15-30%的深色膜，VLT低于10%的膜白天室内需常年开灯
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85%
Confidence
Long-term
Relevance
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Unverified透光率(VLT)与隔热常成反比：客厅采光需求高选VLT 40%-60%的膜，卧室/影音室可选VLT 20%以下换取更强遮光隔热92% similarUnverified追求完全遮光（卧室/影音房）选可见光透过率VLT≤1%的全遮光铝箔膜，透光率5%以下的膜仍会在白天透出明显光晕78% similarUnverified遮光/透光需权衡：透光率越低越遮光越隐私，但白天室内越暗需常年开灯；书房、客厅等需要采光的空间选透光率30-50%的中度膜，卧室才用低透光膜77% similarUnverified客厅、书房等需采光的空间，透光率应≥60%，避免选深色金属膜导致白天需常开灯；朝西晒的房间可牺牲部分透光换取隔热系数（遮阳系数SC≤0.5）76% similarUnverified追求隐私但不想牺牲采光时，选透光率60%-80%的磨砂/雾面膜，可挡视线且室内不显昏暗；透光率＜40%的深色/镜面膜遮挡好但白天需开灯，适合西晒或强隐私需求房间73% similar
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