Plastic Plugs Are Useless in Plasterboard: The Metal Cavity Anchor That Holds 5× More Weight
Plastic rawl plugs simply cannot grip hollow plasterboard walls—they crumble under load and fail within weeks. Metal cavity anchors, also called spring toggles or gravity toggles, solve this completely by opening behind the board, achieving holding strengths exceeding 50kg compared to 10kg for standard plugs. Most DIYers still ignore this proven solution.