Dubuque has chimney cleaning services available. A chimney is a passage that serves as the exit point for smoke, gases and flue, generated due to fire (in the fireplace). It also adds architectural interest to a place, but it is useless and indeed, dangerous, if it doesn't do its appointed job properly. The soot and flue can accumulate, causing the chimney to be less efficient at drawing the smoke out. Creosote, bird nesting, debris, leaves etc. can cling to the walls of the chimney, blocking the passage of the smoke. Rain and humditiy mixed with debris can create an undesirable odor. Creosote can also be a fire hazard. Thus, they need to be regularly cleaned. One can use the chimney sweeping services in Dubuque for a thorough, professional job. They work by using powerful vacuum cleaners that may be used either in top down or bottom up fashion, depending on accessibility. A visual inspection is done before and after the service. They can also offer services such as inspecting for fire safety, structural damage and sealant damage. One can take an appointment, preferably on an annual basis, from the service in Dubuque.