The spooling mass is applied over the width of the fiber glass web trace of 2/3 of the thickness of the layer. The glass fiber fabric is then inserted into the mass of the spatula without being pressed by pressing the fabric overlapping at least 10 cm at the edges. Then apply the soap dispensing table so that a full coverage of the surface is ensured by the glass fiber fabric and the fabric is completely embedded in the reinforcement. The thickness of the reinforcement layer is determined by the destination.