It is put first of all on a special Glue that can be purchassed at ANY Construction Store. The Adhesive is Prepared Strictly According to the Instructions, Otherwise, If You Make An Error, The Traffic Jam Will Begin to Wrap IT Over and Will Have to Be Gloud Over in. The Layers of the Plugs Arewl Lubricated in Several Places with Glue and Press it Very Tightly to the Floor. The Material Shoup Grab for Two To Three Minutes.