6 areas of your home you should never insulate – and why it's a hazard that can do more harm than good

Contemporary stone fireplace in modern living room with warm orange, brown and yellow color scheme.

Insulation is crucial for energy efficiency, but there are areas in your home where insulation can do more harm than good. Misplaced insulation can create fire hazards, trap moisture, or block essential airflow.

From chimneys to ceiling lights, experts reveal six areas you should avoid insulating and why.