How Chimneys Work
Problems with wood burning systems in homes are usually related to their chimneys. The right chimney, layout and design are vital to the good performance of the chimney. Also, knowing the way your chimney works will help you in day-to-day use of the appliance.
Chimneys work on the simple basis that hot air rises as it is less dense than cold air. Hence, when the chimney gets full of hot gas, the gas rises. This hot gas makes a pressure known as the draft that pulls combustion air in the chimney and ejects the gas outside.
The draft of a chimney is affected by two things:
The hotter will be the gas in the chimney, the more powerful will be the draft.
A tall chimney will produce more draft when there is a temperature difference.
A chimney design is vital in blending the chimney with the look of your fireplace and home. Also, the design is important for the functioning of the chimney. There is no use of a chimney that looks good but does not serve its purpose which is to exit the smoke. A wide variety of chimney designs is available to suit both local, as well as aesthetic needs of the customer.
- Masonry chimneys
These chimneys are the most common type of chimney. It can be made from brick, concrete or also stone. These chimneys are usually included in the general building by the builder. A masonry chimney gives the home a rustic feel. In Masonry chimney, visible chimneys or chimneys that are tucked away can be chosen
- Factory-made chimneys
These chimneys are made from a metal which is like stainless steel and are much less expensive than masonry chimneys. These chimneys are also very easy to reassemble. Factory-made chimneys come in various designs; mass-insulated chimney, air-insulated chimney as well as air-cooled chimney.
Chimney Repair Issues
Whatever type of chimney you have installed in your home, it has to be cleaned as well as overhauled frequently. For this purpose, you can employ the services of a chimney service company. Sometimes you need to hire chimney repair services also as a well-functioning chimney will perform effectively. Some common chimney repair issues are:
Many blockages can occur in a chimney including creosote. A blockage is actually quite dangerous. Hence, you need to have your chimneys inspected frequently and get the blockage repaired from experts if it occurs.
Usually, fireplaces are lined with clay tile which is the most economical. Chimneys face a lot of heat and stress. If they are lined with clay and not steel, they can become damaged and cracked which is dangerous. Firstly, the heat can reach your home and ignite a fire. Secondly, it will also expose you to dangerous gases like carbon monoxide.
- Chimney cap and crown
If the chimney cap or chimney crown is damaged, moisture can come in which will lead to a lot of disorders that are unsafe for you. For this purpose also, a repair company has to be hired.
For more information on fire safety please read these tips.