Chimneys Toronto Despite the fact that chimney maintenance is so important, people tend to either forget about them or neglect them. Often it is simply that they are not that noticeable when walking around the yard. In this article by Wilkens Contracting Inc. we will talk about the importance of chimneys in Toronto. Read on for more information. The most common problem with chimneys in Toronto is wear and tear due to the elements and the exhaust of your heating system. As the chimney is completely unprotected from the weather it gets deteriorated more rapidly than the house walls. Since the advent of more efficient heating systems chimneys in Toronto are subject to condensation from the warm exhaust of the furnace or boiler coming into contact with the cooler air of the exposed chimney above the roof. The damage shows up as either the mortar joints wearing out or the bricks crumbling or spalling. If the mortar joints are eroding the repair could be as easy as simple tuck pointing. Once the bricks begin to rot the chimney usually needs rebuilding. The reason for rebuilding at that point is that the spalling bricks are the worst and easily visible. The adjacent bricks will have degraded as well so replacing just the few obvious ones will still leave you with an unsound structure. Most chimneys can be rebuilt from the roof up as below the roofline they are well protected by the eaves and haven’t been worn out. As a note, when having your chimney rebuilt many people are sold precast concrete caps. These are fine but were not in use until the 50s as well. On older homes Wilkens Contracting Inc. prefers to corbel the top of the chimney to maintain the period design. Many homeowners are told the reason