Unverified85% confidenceDecision RuleTime unknown
购买前需测量窗框内框净尺寸并预留5-10cm安装余量，卡槽式需确认窗框厚度≥自带卡槽规格，自粘式需窗框有平整可粘贴的边框
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Unverified选购前必须测量窗框可用平面宽度，多数卡扣款需要≥15mm的平整贴合面，窗框边缘有弧度或密封胶条会导致无法贴合固定87% similarUnverified购买前务必确认窗户实际宽度并留出两侧各15-20cm余量，宜家提供固定几种尺寸，不支持定制裁剪，窗户尺寸非标准的容易出现遮不严或过长拖地的问题85% similarUnverified定制纱窗需按窗洞净尺寸测量并预留框料装配间隙（外框比洞口小3-5mm），非标窗（弧形/异形）需现场测量，网购成品仅适合标准平开窗84% similarUnverified安装方式决定尺寸测量：窗框内安装（内嵌）需精确到毫米且窗框深度≥5cm才能容纳，窗框外安装（外挂）宽度左右各多留5-8cm可更好遮光挡侧漏光84% similarUnverified定制百叶通常需预留窗框尺寸误差：内嵌安装成品宽度比实测窗框内宽小0.5-1cm，外装宽度比窗口每侧多5-8cm以保证遮挡84% similar
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