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Copper Chimney Caps

Our artisans have many years of experience creating beautiful custom copper chimney caps and copper chimney pots for the finest homes. The copper chimney cap and chimney pot fabrication techniques we use were handed down from father to son to our highly skilled coppersmiths. We are the only complete online source for anything copper. Whatever you want, we can custom makeit to your specifications. Contact Us to get your project started today!

Copper Chimney Pots

Custom stack copper chimney cap.

A chimney cowl or cap is placed on top of the chimney to prevent birds and squirrels from nesting in the chimney. Chimney caps for clay flues feature a rain guard to keep rain from going down the chimney. A metal wire mesh is often used as a spark arrestor to minimize burning debris from rising out of the chimney and making it onto the roof. Although the masonry inside the chimney can absorb a large amount of moisture which later evaporates, rainwater can collect at the base of the chimney. Sometimes weep holes are placed at the bottom of the chimney to drain out collected water. Some caps stabilizes the draft rather than increasing it. Other chimney caps are based on the Venturi effect, solving downdraft problems by increasing the up draft constantly resulting in much higher fuelconsumption.

A chimney pot is placed on top of the chimney to inexpensively extend the length of the chimney, and to improve the chimney’s draft. A chimney with more than one pot on it indicates that there is more than one flue sharing the chimney.

How to Measure Your Chimney Cap

Cypress Belll chimney cap.

Fill in the blanks of the diagram below to determine your chimney cap size and help you provide measurements for ordering your new chimney cap or chimney pot. If you a chimney cap for a chimney with a clay flue, the pipe diameter and location measurements are not needed. Please specify clay flue(s)’s distance from each outside edge of the chimney chase.

How to measure square chimney cap.

Important Things to Note

Be certain your chimney is square! An out of square chimney requires a chimney cap that is the full length and or width of the chimney plus the amount it is out of square. The reason is that an out of square chimney is skewed. Thus, if your chimney is 1/2" out of square and the opposing sides on the out of square dimension are 36", you will need a 36 1/2" chimney cap on that dimension to compensate for the out of square. (See diagram below.)

How to measure skewed chimney cap.

Check the Size of Your Flue Spark Arrestor!

The Classic Bell copper chimney cap has a standard 24" inside height for the spark arrestor; the Suburban copper chimney cap a 20" height. This is more than sufficient for most chimneys, which are 16". But be certain and measure your spark arrestor height!

Printer friendly version of this document: How to Measure Chimney Caps.

As always, if you need assistance with your copper chimney cap order, please feel free to call one of our experts at (800) 461-6658 ext. 1725.

9443 Cossey Rd.
Houston, Texas 77070
phone: (832) 698-2742
fax: (888) 705-7199
toll free: (888) 908-5339
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