| 摘要 |
A ground beam (5) to be inserted into the floor, which is formed from an aluminium profile part and has a door stop surface (10), has, on the surface of the ground beam (5) and its door stop surface (10), which faces the interior in the mounted state, an insulating-material layer (8). The insulating-material layer (8) is fastened to the ground beam (5) by a clamping connection. By this design, a thermal separation of the outer floor from the inner floor covering is achieved. <IMAGE>
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