PITTSBURGH, June 20, 2025 /PRNewswire/ -- "I wanted to simplify the task of spraying drywall mud for texture applications on projects that require smaller drywall patches," said an inventor, from Leon ...

Achieved by spraying, troweling, or rolling drywall compound onto your walls and then "knocking it down" with a knockdown knife, this texture originated in the early 1990s. While the texture's ...

Do the scrape test Before you start removing the old popcorn texture, do a simple scrape test in a small area of the ceiling.