If you decide to update the ceiling during the repair, then you will need to remove the existing whitewash layer first.
It should be remembered that the whitewash is not always removed, in some cases it simply shakes on the surface of the ceiling. With such a ravisania, you also close up small defects and cracks. It is necessary to remove the whitewashing if it has become a yellowish shade or has sufficiently strong contaminants. It is also necessary to wash off the whitewashing and when the ceiling was whitewashed with chalk, and it is planned to turn white with lime.
In order to remove the old whipping layer, you can use a regular sponge, thanks to which you can wash off the whitewashing until its base. This procedure for removing the old whipping layer is quite long and laborious and will require considerable efforts from you. If the whitewash is applied long ago, then it will need to be removed using a spatula.
In order to make such whitewashing easier to remove and it was not so dusty, it will first need to be moistened with a sprayer. And it’s best if you use a special pallet where the old whitewash will get.