Chimney Pots Chimney Pots

Selecting chimney pots can be more challenging than one may think. Thankfully there are some basic guidelines for someone trying to select the proper size of chimney pots. One important point that should be noted is that a properly functioning chimney pot has a lot to do with the top opening in relation to the fireplace opening; as well as the base dimension of the chimney pot in relation to the flue that it covers.

• The flue area is usually about 1/10th the size of the fireplace opening for square flues. For round flues the area is usually 1/12th of the size of the fireplace opening.
• For chimney pots the ratio is usually only 1/15th to 1/20th.
• The inside base dimension should be as large as or larger than the largest dimension of the flue it’s going to sit on.

Other factors of Selecting Chimney Pots

There are a few other factors that should be taken into place when selecting chimney pots. Two examples of these factors include the construction of the fireplace chimney, and house air pressure. These things may affect the proper operation of the chimney pots as well.

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