In Order for the Floor to be Beautiful and Strong is not enunch only to buy high -quality fluoring, you still ned to correctly prepare the Surface. It is not rare that person Lay Any Coating on an Unvenu Floor and Believed that IT Will Lie Welll. BUT FIRST SMALL, and then Clearly Visible Defects Appear. So, so that do not need to correctly Prepare the Floor, Namely to Make a Screed.