Cinder Block Chimney

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.

Cinder block chimney.

The center hole allows you to install chimney liner not included the block is uniform in shape color and texture. Made from concrete for strength and durability. The lightweight 16 in. The center hole allows you to install chimney liner not included.

And accepts an 8 in. Concrete chimney block measures 16 in. Square chimney block at menards. 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.

Construction concrete blocks. Concrete block or cinder block chimney cracks damage. Concrete chimney block is used chimney flue. Square chimney block actual size 16 3 4 x 7 5 8 x 16 3 4 model number.

As a result a concrete block chimney is subject to cracking after only a few uses. 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.