For pouring, it is advised to use a mortar mass with the addition of small gravel or crushed stone of a small fraction. Pour the entire dug perimeter with a concrete mass to the top of the ground level and align with the construction level the surface of the concrete so that there are no slides and pits. By passing the day, proceed to laying the tiles on the concrete surface. You can install the trail system of the Eurobion, which is necessary in every house from the side of the track.
