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Backdraft is usually caused by a ventilation or pressure problem. To stop it, you need to replace the air your fireplace draws out through the chimney, so open a window to try and increase the airflow. Sometimes turning on a kitchen or bathroom exhaust fan can help, but they could also be the cause of the backdraft depending on the air pressure inside your home. You may need to install a makeup air system (MUAS) or chimney fan.

Modern wood-burning stoves are very effective, reaching around 80% efficiency. That’s because models built after 1988 are designed to meet standards set by the U.S. Environmental Protection Agency to operate more efficiently and produce less air pollution. If you have an older wood stove, it may not be as efficient.

You can use normal bricks as cladding for a concrete or clay pizza oven or as a base underneath one. Fire bricks or solid clay bricks are necessary for an outdoor pizza oven’s floor, and you can use clay bricks for the rest of the oven.

Fireplaces can last between 10 and 30 years on average. This life span heavily depends on the quality of the construction, the type of fireplace (wood-burning versus gas versus electric), the materials used, and how well you’ve maintained it. Most homeowners get around 20 years out of their fireplace before major issues start popping up.