I removed our popcorn ceiling in a reasonably large entry place. We experienced a fairly bad roof leak , so for a while the rain was slowly eliminating it for us (ugly and not a great sensation) once we could at last manage to provide the roof fixed I took http://israellwtmd.collectblogs.com/40981108/a-review-of-how-much-does-it-cost-to-remove-popcorn-ceilings