If you have a popcorn ceiling, you may be tempted to add some crown molding, but do these two design choices go together? Our expert Sarah Bilotta weighs in.

Q: There are a number of narrow cracks in my popcorn ceiling. Is there something I can inject into these cracks to repair them and restore the appearance of the ceiling?

We have lived in our house for 12 years, and each room has crown molding. The problem is that the molding has separated from the ceiling, leaving a gap.

He’s got crown molding in at least one room of his home, and in the winter months, a gap appears between the top of the crown molding and the ceiling.