Aeration needle roller KT4704 used when pouring floors with different solutions. By means of such a roller filled mixtures can remove bubbles and cavities filled with air, which increases the strength of the frozen ground. Also, this process helps spread evenly grouted the whole area. Maximum flexibility KT4704 needle roller due to the fact that the material of manufacture is not sensitive to solvents and suitable for use as a cement or plaster with solutions and by pouring polymeric floors. KT4704 roller equipped with needles 25 mm in length and perfectly suited to work with pouring the floor to 30 mm thick.