View our Frequently Asked Questions about COB...
Cob is still used in construction, although not as predominantly as it used to be.
The only difference is the size. A Cob block is produced to a similar size as that of a concrete block. A Cob brick is produced to a slightly smaller size than that of a modern brick.
This is not advisable as you would be compromising the breathability of the structure, which could ultimately cause the wall to fail.