A comprehensive visual assessment is the first step that chimney sweepers do to pinpoint the main problems and challenges. In certain chimneys, you'll find birds, insects, and rodents living. A professional crew will look for obstructions in the vents. In order to avoid cavities and chimney flues, experts also use cameras. The best approach to cleaning your chimney is by hiring a professional. To know in detail visit the blog post about what does a chimney sweep do.