Cinder Block Chimney

Construction concrete blocks.

Cinder block chimney.

The center hole allows you to install chimney liner not included. Square chimney block actual size 16 3 4 x 7 5 8 x 16 3 4 model number. Concrete chimney block is used chimney flue. Made from concrete for strength and durability.

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. When building a chimney concrete blocks are probably the least favorable type of masonry to use. These articles on chimneys and chimney safety provide detailed suggestions describing how to perform a thorough visual inspection of chimneys for safety and other defects. 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.

As a result a concrete block chimney is subject to cracking after only a few uses. Concrete block or cinder block chimney cracks damage. This article describes cracks in masonry block or concrete block chimneys and suggests possible causes and crack severity. The lightweight 16 in.

Concrete chimney block measures 16 in. The center hole allows you to install chimney liner not included the block is uniform in shape color and texture.