Why Shouldn't You Paint a Smoke Detector?

Most smoke alarms come with a warning printed directly on them that says “do not paint.” Paint can restrict airflow and cause the alarm to have difficulty detecting a fire.

Can painting cause smoke alarms to go off?

Strong Chemical Fumes - Cleaning agents and paint fumes, especially oil-based paints, can set off a smoke detector. Just like with smoke and steam, you'll need to air out the area and reset the device.

Can you paint smoke detector covers?

To paint the smoke detector covers, buy a small trim roller. Once the primer has completely dried on your covers, you are ready to paint them. Dip the trim roller in the paint pan, then apply it to the covers. Apply more pressure in areas of depression, sides & slits to make sure the paint gets in all the cracks.