Unverified85% confidenceCautionTime unknown
楼梯口两侧墙壁材质为石膏板或空心砖时，不建议直接用膨胀螺丝固定护栏，承重不足易脱落，需先加装背板或找到龙骨位置
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified瓷砖墙、空心砖墙、石膏板隔墙不建议直接用膨胀螺丝壁挂重物架，空心结构螺丝拉力不足，需换专用中空锚栓或改用落地款89% similarUnverified墙面为空心砖/石膏板隔墙不建议装重载壁挂置物架，普通膨胀螺丝抓力不足易脱落，需用专用中空板锚栓或改落地款88% similarUnverified墙面为空心砖、瓷砖或石膏板时不建议直接用螺丝固定，需加装背板或膨胀螺栓专用件，否则承力不足；此类墙面平地区域优先选压力固定式87% similarUnverified石膏板墙（多见于隔断墙、二次装修墙）不建议放重物搁板，普通膨胀螺丝在石膏板中几乎无握力，必须用中空锚栓且单点承重仍有限87% similarUnverified石膏板/空心墙不建议直接螺丝固定重载洞洞板，石膏板承重极低，需先加装专用石膏板锚栓或找到墙内龙骨，否则整块脱落87% similar
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