Unverified90% confidenceDecision RuleTime unknown
单件金属墙饰重量＞3kg时不可用3M无痕胶或泡沫胶粘贴，必须使用膨胀螺丝入墙固定；1.5-3kg可用重型十字钩+石膏板锚栓；＜1.5kg方可用免打孔粘贴
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Unverified免打孔（3M胶/无痕贴）安装承重上限约3-5kg，且对墙面平整度要求高，瓷砖、乳胶漆墙面附着力差易脱落；承重需求＞5kg或墙面粗糙时必须选螺丝固定88% similarUnverified免打孔胶粘搁板单层承重上限通常≤3kg，超过需选用打孔+膨胀螺丝安装，实心墙可承重15kg以上88% similarUnverified单件重量＞2kg的壁挂摆件必须使用膨胀螺丝固定，不可仅用无痕挂钩（承重上限通常≤1kg）或3M胶（承重≤0.5kg），否则易脱落88% similarUnverified免打孔粘胶收纳架承重普遍在1-3kg，超过5kg必须选膨胀螺丝挂墙式，否则瓷砖胶面易脱落88% similarUnverified免打孔胶贴安装的网片单点承重通常≤3kg，且瓷砖/乳胶漆墙面易脱落；需挂载总重超5kg必须选膨胀螺丝打孔安装87% similar
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