Summary: Learn how to make an expansion joint or a control joint when building a brick wall.
Due to the fact that brick walls can move sometimes due to both ground settlement and wall contraction and expansion, it may be necessary to insert control joints depending on the size of the stretch of wall. Over short distances, the movement of the wall is hardly noticeable or damaging, however in longer walls fractures in the structure may occur.
There is also an option of reinforcing the piers, if you feel it is necessary.
Author: C J Mills Google+
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