Preparation of ceilings rule, preparation of the ceiling for repair consists in removing old materials. If your ceiling was painted with any oil paint, then most likely in the future you will also have to use it precisely. If this option does not suit you, you can install suspended ceilings. In addition, if special ceiling wallpaper was glued on your ceiling earlier, then they must be removed. It is worth noting that during the preparation there is a high probability of that,. that old materials will pollute your entire floor, which can prevent further repairs, so it is necessary to cover it with newspapers or polyethylene.