Causes of Plaster Problems Like Cracks, Holes & Bulges

Anything that causes movement in the underlying structure can lead to cracks and other problems showing up in the ceilings or walls.
Here are 5 Causes              

•   inadequate backing such as old wooden laths
•  moisture from plumbing leaks or water penetrating from outside
• external vibration - heavy vechicle traffic, near railway, sonic booms
• foundation weakness or subsidence 
• expansion and contraction with studwork due to hot and cold weather 

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