At the first strip, the edge should be cut strictly at right angles. Then it is placed in the corner and the wedges are mounted for the formation of a miniature thermal space. Next, you should use a pair of laminate stripes and place them with such a manner that their connection to each other is directly in the middle of the first row. In this case, the edges cut at right angles should be located against the wall where there is a gap.
In this way, all other stripes are laid.