Fireplaces can be great. The condition of the chimney is an important factor in safe fireplace use. The Chimney Safety Institute of America says a faulty chimney can cause something worse than smoke in the living room. They recommend that a chimney be examined by a professional once a year. The chimney not only gets dirty from use, but bricks weather and con become loose with age. Flues can crack or become blocked. A pro can recognize problems, quickly evaluate them, and offer recommendations for safer use.
Creosote builds up as the cozy fire burns. It reduces the flue's ability to draw off smoke and can cause odors. More importantly, it can ignite quite easily. That's when a chimney fire occurs. A build up of only 1/8 of creosote means it's time to clean.
A number of things can cause chimneys to malfunction or become dangerous:
- There must be sufficient air reaching the fire, and there must be a good draw to pull the smoke up the chimney.
- A back draft may be caused by a lack of air reaching the fire in an airtight house, or caused by a malfunctioning flue. The flue may be constricted by creosote or bird nests. The chimney may note be tall enough or it may be constricted by trees.
- In older homes, the flue may need to be relined. Homes more than 50 years old probably don't have flue linings at all.
- Commercial fire additives that claim to prevent creosote build up usually don't work.
To find a professional chimney sweep contact the Institute at 800.536.0118 or at www.csia.org.
Ty Kirkpatrick, TEK Inspections LLC, www.tekinspections.com, 775.746.4990