It is quite

The next and no less important stage is considered to identify irregularities in the original ceiling, especially if there are differences between plates. If the differences on your ceiling are not more than 5 cm, it is quite possible to align with special mixtures that can easily be diluted in water. If the differences between the slabs are more than 5 cm, then it is simply impossible to align without the help of drywall, chipboard and other building materials.