Control joints are typically required in exposed above grade concrete masonry walls, where shrinkage cracking may detract from the appearance of the wall, and to limit

A control joint detail primarily consists of a hard, cross shaped rubber gasket. The joint is typically ½ in. wide and consists of two concrete masonry jamb block.

This detail shows a block with flat ends used at the vertical control joint. Fireproof material resides at the vertical CJ, along with sealant and backer rod. This detail allows shrinkage of the block …

Control joints are typically only required in exposed concrete masonry walls, where shrinkage cracking may detract from the appearance of the wall. Shrinkage cracks in concrete masonry …

Control joints are vertical separations built into a concrete masonry wall to reduce restraint and permit longitudinal movement. They are located where cracking is likely to occur due to …

In view of this, the concrete masonry industry has developed an engineered approach to controlling cracking which examines each of these three parameters separately, and then …

When designing concrete masonry walls, one aspect that needs to be considered is the location of control joints. Control joints are continuous vertical mortar joints where a bond breaker is …

Control Joint – A joint used to break up a large field of concrete masonry into discrete panels for the purpose of allowing shrinkage and mitigating cracking. Isolation Joint – A joint used to …

Nov 1, 2018 · Control joints in masonry are vertical weak planes intentionally built or cut into masonry to control where cracking occurs. Control joints should be installed in any masonry …

A masonry control joint is a continuous groove formed or cut into a masonry wall forming a plane of weakness to control the location of the eventual cracking. Due to it’s massive and rigid …