Preparing to fill out the seams, prepare the following tools: a tool for putty, hammer, rubber aunt.
We begin to fill the joints, for this we pour a cup of solution on the floor and begin to rub it with a rubber grater, holding it at a 30 degree angle. We fill the seams to the edges, and we check the absence of bumps formed due to air. Remove the excess solution with a grater, increasing the angle of its inclination to 45. Diagonal in the grater, otherwise you can damage the seams, also do not forget to rinse the grater with water.