Unverified80% confidenceCautionTime unknown
免打孔款不建议安装在墙纸、乳胶漆或空鼓瓷砖表面，粘胶附着力不足；瓷砖空鼓处打孔膨胀螺丝也会导致瓷砖开裂，安装前需敲击检查空鼓
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80%
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Long-term
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Unverified瓷砖墙面不建议用无痕胶免打孔搁板，瓷砖釉面光滑导致胶体附着力不稳定，脱落风险高；应打孔并使用瓷砖专用钻头92% similarUnverified空鼓瓷砖或岩板墙面不建议打孔安装壁挂架，打孔易导致瓷砖开裂脱落，应改用落地款或免打孔款91% similarUnverified瓷砖缝隙、凹凸防滑砖、马赛克墙面不建议用免打孔胶贴款，接触面积不足导致粘不牢；应选打孔款或找整块平整瓷砖区域粘贴91% similarUnverified瓷砖墙面空鼓区域不建议安装打孔壁挂架，膨胀螺丝无法有效受力，负重后易整体脱落砸伤，安装前应先敲击检测空鼓91% similarUnverified瓷砖美缝/整面大理石背景墙不建议打孔安装，钻孔易导致瓷砖崩裂或空鼓，且孔洞无法修复，应改用瓷砖专用免钉挂件或落地款91% similar
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