Odd Appears: Scraping or fluttering noises coming within the chimney may possibly show an animal nesting inside of, and that is a standard reason behind blockages and will be taken off skillfully. Ensure that you use a skinny hose attachment to extend the vacuum into the bottom from the housing https://www.google.com/maps/d/edit?mid=1cflLlXS9CdqA8WpBKv_oLoqlXORPcL4&usp=sharing