Brick made of aerated concrete comprising - several rows of vertical insulation openings (10) running transversely to a heat transfer direction (9) and - insulation inserts (11) made of a thermal insulation material inserted into the insulation openings (10), the insulation openings (10) of adjacent rows being arranged offset to one another , characterized in that the insulation openings (10) and the insulation inserts (11) located therein are cylindrical in shape.
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