Cinder Block Chimney

Square chimney block actual size 16 3 4 x 7 5 8 x 16 3 4 model number.
Cinder block chimney. Concrete chimney block measures 16 in. The center hole allows you to install chimney liner not included. Concrete chimney blocks are 24 inches square with a hole at the center that is sized to fit a section of vertical ceramic flue tile. A chimney made of concrete blocks and ceramic flue tiles uses a special type of block that is sized and shaped differently than the 8 by 8 by 16 inch blocks found in concrete block walls.
And accepts an 8 in. Construction concrete blocks. Square chimney block at menards. The lightweight 16 in.
When building a chimney concrete blocks are probably the least favorable type of masonry to use. Because they are made from poured concrete instead of natural stone or a kiln fired material concrete blocks have almost no tolerance to extreme heat. Made from concrete for strength and durability. As a result a concrete block chimney is subject to cracking after only a few uses.
Concrete chimney block is used chimney flue. Concrete block or cinder block chimney cracks damage.