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37 9.2 CREOSOTE FORMATION AND REMOVAL When wood is burned slowly,it produces tar and other organic vapours which combine with expelled moisture to form creosote.These vapours condense in the relatively cooler chimney flue of a slow burning fire and when EN ignited, make an extremely hot fire. So,the smoke pipe/chimney liner and chimney should be inspected month- ly during the heating season to determine if a buildup has occurred. If creosote has accumulated it should be removed to reduce the risk of a chimney fire. 84.1 9.3 RUN-AWAY OR CHIMNEY FIRE a, s A CHIMNEY FIRE CAN PERMANENTLY DAMAGE YOUR CHIMNEY SYSTEM.THIS DAMAGE CAN ONLY BE REPAIRED BY REPLACING THE DAMAGED COMPONENT PARTS.CHIMNEY FIRES ARE NOT COVERED BY THE LIFETIME LIMITED WARRANTY. CAUSES: • Using incorrect fuel,or small fuel pieces which would normally be used as kindling. • Creosote build up in chimney. SOLUTIONS: • Do not burn treated or processed wood,coal,charcoal,coloured paper or cardboard. • Have chimney regularly cleaned. IN CASE OF A CHIMNEY FIRE: • Close glass door and screen. • Have a well understood plan for evacuation and a place outside for everyone to meet. Prepare to evacuate to ensure everyone's safety. • Call local fire department. Have a fire extinguisher handy. Contact local authorities for further informa- tion on how to handle a chimney fire. • After the chimney fire is out,clean and inspect the chimney or chimney liner for stress and cracks prior to lighting another fire.Also check combustibles around the chimney and the roof 85.2A 9.4 CHIMNEY CLEANING Both the chimney and the appliance must be inspected and cleaned if necessary at least once a year. For serious wood burners,chimney cleaning must be done as needed to avoid chimney fires; the venting systems for controlled combustion appliances may need cleaning as often as once a month.These rates, however,depend on the burning habits of the individual operating the appliance. For example, it is possible to clog a solid fuel appliance chimney in a few days if slow,smoldering fires are burned and the chimney is cold. Certain items and considerations are important in chimney cleaning: • Proper tools should be used,including a brush specifically designed for chimney cleaning. • The chimney dampers as well as the chimney should be cleaned. • The appliance's firebox should be cleaned if needed. • The chimney should be inspected and repairs made if needed, preferably by a qualified chimney sweep or mason. W415-1642/04 15 16