Once set up, the swing of the stability, security and quality seem to be fully sufficient. The main thing: The children are excited and use them even daily! Despite autoclave impregnation I intend to miss the swing an additional protective coating, because the factory impregnation does not seem to be particularly deep into the pores. In the manual I missed as a layman a few handy hints and tips, eg for EVT. Drilling for carriage bolts and for standing by concreted ground anchor.