<P>1, the floor is high and low: the floor itself is not enough fine processing, pavement and neglect, will cause pavement after the board rugged, easy to dust, the visual is not beautiful.</P>
<P>2, the installation of sewing is too much: floor splicing rate is too high easily lead to cracks between the board, the floor and between the feet are also easy to leave. In addition to pavement problems, this may also be caused by the floor expansion rate failed.</P>
<P>3, the film is blistering: paint the floor if the quality is not hard, after the damp film easy to blister. whether the floor from the drum: the installation of the environment or the floor of the expansion of the expansion of the wall is not enough to cause the floor from the drum, serious with the naked eye can be identified, the slightest through the process of walking whether there is a sense of suspension, whether there is Empty to identify.</P>