Some foundations have been built of concrete blocks, and a lot of making codes necessary using masonry in fire partitions. walls will produce hairline cracks which will allow moisture penetration. From the Cambridge English Corpus Even so, this architectural language continues to be, like conventional masonry ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​... https://flickr.com/people/westhillsmasonry/