Patented and Additonal Patents Pending


New- Large CC1818 Cap and Extension

Extendaflue™ Chimney Pots are the first modern chimney extensions. Available in various styles, these chimney toppers are lightweight and install with no masonry work or drilling
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NEW! US PATENT OFFICE GRANTS OUR COMPANY PATENT #7014555B1 - FOR CHIMNEY ATTACHMENT AND EXTENSION! - SEE NEWS PAGE


Boost-A-Cap™

Allows proper installation of chimney caps so that smoke coming out of one flue does not cross over into the adjacent flue.

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Proper Topper™ Chimney Caps and Terminations are the perfect way to dress up your chimney top and/or terminate flexible or rigid liners.
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New! Cast Aluminun Bases for Proper Toppers™ - Proper Toppers also available without Extensions - see more


"took about 20 min to install - looks great ,works fantastic I was having a problem with downdrafts solved without rebuilding my chimney higher and looks great too"

"I recently installed the Extendaflue and I can say that it is a truly well-thought-out kit. It improved the draw on my chimney."


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Extendflue features a full line of chimney pots, chimney caps, chimney toppers and other enhancements. Our Chimney Pots are easier to install and more functional than traditional clay chimney pots.