Whether you need a chimney flashing repair Vancouver company to repair your chimney or you want to know more about how to prevent your chimney from leaks, there are several things you should know. A chimney needs regular maintenance to ensure it remains effective and safe for use.
How do you know if a chimney needs to be replaced?
Chimney flashing is installed on top of the roof to provide a watertight seal between the roof and chimney. The flashing is usually constructed of stainless steel, aluminum, or copper, depending on the material used to build the chimney. If the flashing is damaged, it must be replaced. If the flashing is missing, the chimney will be at risk of major water damage.
Depending on the location of the chimney, flashing may last as long as 30 years. The longevity of flashing depends on the size, shape, and location of the chimney. A chimney that is built in a high moisture area or exposed to a harsh climate is more likely to have problems with leaks.
The flashing also provides a weather resistant barrier system. Often, contractors add urethane caulking to the flashing. The caulking creates a waterproof barrier around the edges of the chimney. When the caulking is damaged, it is important to repair it so that the masonry can continue to be waterproof.
Another common problem that may affect masonry chimneys is weather damage to the lining systems. This can cause a variety of problems, including the flue obstructions that are a threat to the residents of the home. The flue liner acts as a tube to guide smoke out of the house, but if the liner is broken, toxic gas can be trapped inside.