Concrete chimney block is used chimney flue.
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.
The center hole allows you to install chimney liner not included the block is uniform in shape color and texture.
When building a chimney concrete blocks are probably the least favorable type of masonry to use.
As a result a concrete block chimney is subject to cracking after only a few uses.
Concrete chimney block measures 16 in.
The center hole allows you to install chimney liner not included.
Construction concrete blocks.
Square chimney block actual size 16 3 4 x 7 5 8 x 16 3 4 model number.
Made from concrete for strength and durability.
Concrete block or cinder block chimney cracks damage.
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.
This article describes cracks in masonry block or concrete block chimneys and suggests possible causes and crack severity.
The lightweight 16 in.
And accepts an 8 in.