Before the arrival of prefabricated wallboard or "drywall" in the 1940s and '50s, plaster was the material of choice for interior walls and ceilings in American homes. Portland cement plaster was ...

Looking up and seeing a misshapen, sagging ceiling can definitely be panic-inducing, especially when you are aware of the hidden danger that may be lurking in popcorn ceilings. Whether it seems like ...