Apparently, a construction project is so complicated that mistakes happen everywhere. Our house was also completely clad with bricks in the execution plan against our wishes, everything was fitted with parquet including the kitchen and garage (probably the first garage with underfloor heating and parquet). Ultimately, a builder must read the execution plan very carefully before approving it, only some details are not immediately recognizable to the layman and then misfortune takes its course... like with the robber. Once you have built, you understand the saying "the first house is for the enemy" and so on. The learning curve when building is immensely steep, especially if you significantly deviate from the standard...