Should be filling the space between the walls, on the floor, ceiling joints, horizontal bands on door and window with silicone glue to protect the survival through the sound according to the spacing between joints.
Should the gap between the boundary wall and the floor, ceiling, door and window line. With silicone adhesive To prevent noise escape through the spaces between the joints.
Filling the gaps between the walls should be on the floor, ceiling, the door and window with adhesive silicone. To prevent the escape through the gap between the seam.