Popcorn Ceiling Removal Hopkins MN | Knockdown Vs Smooth Ceiling Popcorn ceilings were highly popular before the 1970s because of its bright appearance, acoustic characteristics, and ability to hide flaws. In 1978, the Clean Air Act banned asbestos, the binding product in popcorn ceilings at the time. Asbestos was founded to cause mesothelioma, a type of cancer, when inhaled. Popcorn ceilings are made with Styrofoam since then but are no longer favorable. Many people opt to remove their popcorn ceilings now. If your home was built in the 1970s or earlier, you should ensure it doesn’t have asbestos before your popcorn…



