The Craftsman Blog - Ever wonder why there is a pie plate on your chimney? There's good reason! That pie plate covers something called a chimney thimble port; a circular hole in
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Amazon.com: Rockford Chimney Supply Stainless Steel Premium Top Plate for Rock-Flex Liners 3x13x13 Inch : Home & Kitchen
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Amazon.com: Rockford Chimney Supply Stainless Steel Premium Top Plate for Rock-Flex Liners 3x13x13 Inch : Home & Kitchen
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