These thimbles are round non-load bearing terracotta clay. Our clay thimbles are conduit for the inside of chimneys. Normally used to connect in the wall of the chimney connector therefore providing a non-combustible surface in the wall. The thimbles also protect the chimney walls from heat and corrosion. All thimbles are round in shape. Sold by the piece.

If your size flue liner is not in stock, it can be special ordered with a 7 to 10 business day lead time.

We do not ship this product.

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Additional Information

Available in Stock:


6″ Diameter x 9″ Long

6″ Diameter x 18″ Long

6″ Diameter x 24″ Long

8″ Diameter x 12″ Long

8″ Diameter x 18″ Long