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One Chimney Cap Solution for Every Application! FREE Shipping Across the U.S. Mainland

1. For Chimneys Without Flues Sticking Out

Size ① & Size ②:
Measure the largest outside dimensions of your chimney — length × width.
Optional:
Measure the height of the concrete/cement crown if you would like the chimney cap to align with it.

2. For Chimneys With Flues Sticking Out

Size ① & Size ②:
Measure the largest outside dimensions of your chimney — length × width.
Optional:
Measure the height of the concrete/cement crown if you would like the chimney cap to align with or cover the crown.

For Any Square/Rectangular Flues:
Size ③ & Size ④: Measure the length and width of each flue.
Size ⑤ & Size ⑥: From the center of each flue, measure the distance to the corresponding sides of the chimney.

For Any Round Flues:
Size ⑦: Measure the diameter of each round flue.
Size ⑧ & Size ⑨: From the center of each flue, measure the distance to the corresponding sides of the chimney.

3. How to choose the height of your chimney cap