Plaster Keys 101: How to Tell If Plaster Has Detached from Lath
Introduction Plaster is likely detached from wood lath when it bulges, sags, visibly separates at an edge, visibly moves, or drops debris. Cracks, paint crazing, and a hollow sound are warnings that deserve attention, but none proves detachment by itself. Before you inspect: Inspect only from the floor or another demonstrably safe, already-accessible position. Keep […]
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