What if the ceiling doesn't stick to the smoke machine?

What you want to ask is what if the ceiling can't stick to the hood? Use super glue and foam double-sided adhesive. According to the query, the decoration network shows.

1, the smoke detector can't stick to the ceiling, so you can fix the smoke alarm with super glue. Apply super glue to the alarm base and ceiling, and install the alarm on the ceiling.

2. Smoke detectors cannot be attached to the ceiling. You can directly attach the base to the ceiling with foam double-sided adhesive tape and install a smoke alarm.