Unverified80% confidenceCautionTime unknown
空鼓瓷砖或已知墙体后方为空心结构的位置不建议安装承重搁架，钻孔可能导致瓷砖开裂或膨胀栓无有效着力点
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80%
Confidence
Long-term
Relevance
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Unverified瓷砖墙缝正对安装位时不建议打孔壁挂，孔位落在砖缝易崩瓷且膨胀螺栓吃力不足，应错开至砖面中心或改用免打孔95% 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93% 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93% similarUnverified瓷砖墙面不建议选需打孔的壁挂架，打孔易导致瓷砖开裂且难修复，应选免打孔或落地款92% similarUnverified石膏板墙、瓷砖填缝处、空心砖墙不适合打孔安装挂壁鞋架，膨胀螺丝无法有效锚固，长期承重易脱落，此类墙面应选择免打孔或改用落地款91% similar
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