What practice should be avoided for joint correction?

The practice of waiting for the mix to cool before making joint corrections should be avoided because it can compromise the effectiveness of the repair process. When the mix is still hot, it is more malleable and can be adjusted or rolled into place more effectively. Allowing the mix to cool makes it harder and can lead to issues such as inadequate bonding, increased cracking, and reduced longevity of the joint. Timely adjustments when the mix is hot ensure that the material adheres properly and maintains structural integrity.

Other options involve immediate or manual corrective actions that, if executed properly, could enhance the quality and durability of the joint repair, but waiting for the mix to cool undermines those potential benefits.