Why Does Plaster Crack Patched -

You’ve just finished painting a room, or you’ve lived in your old home for years, and then you see it: a thin, spiderweb-like line running across the wall. Or worse—a deep, jagged fissure.

Plaster expands when it’s hot and humid, and contracts when it’s cold and dry. Over time, this constant “breathing” stresses the material. You’ll often see this in sunrooms, attics, or above radiators. why does plaster crack

Fresh plaster contains a lot of water. As that water evaporates during the curing process, the plaster physically shrinks. If the plaster dried too quickly (wind, heat, or no primer), it will develop a network of fine, map-like cracks. You’ve just finished painting a room, or you’ve