Complex sentence: Popcorn ceiling became unattractive when it got dirty, and was hard to paint or patch.Nowdays we have the option of covering popcorn ceilings with styrofoam decorative ceiling tiles which adhere by ceramic tiles adhesive.
Split into simpler sentences: Popcorn ceiling became unattractive when it got dirty, and was hard to paint or patch. Nowadays we have the option of covering popcorn ceilings with styrofoam decorative ceiling tiles which adhere by ceramic tiles adhesive.