Unverified88% confidenceCautionTime unknown
石膏板墙、瓷砖表面或空心墙不适合直接使用压力顶固门，压力式的顶紧力会导致瓷砖碎裂或空心墙凹陷失效，此类墙面必须改用膨胀螺丝固定并打入墙体龙骨
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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90% similarUnverified顶撑式伸缩杆不要安装在瓷砖墙、玻璃或空心石膏板墙之间，弹簧张力长期作用于光滑或脆弱表面易滑落或压裂，这类墙面应改用打孔式89% similarUnverified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石膏板墙或空心墙不适合安装，膨胀螺丝需要实心砖墙或混凝土墙体才能可靠承重89% similarUnverified顶撑式仅适合两端为实心承重墙或混凝土的场景，若一端为石膏板隔墙、玻璃或空心砖，长期挤压会导致墙面开裂或杆体缓慢下滑，此类墙面应改用打孔固定88% similar
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