Happens with stone builds too (see my streams) when they only completely go away after a delay it is confusing
There are many rendering, animation and distance and time-related issues with builds they were all introduced in one of the updates. Maybe it would be best to just revert that one change to fix all of them.
The team already tried to address some individually I think this only introduced new issues and did not really fix the root cause.
I have to stay near the build so it has a chance to finish animation otherwise it will render incorrectly when I step away, when I leave the area and return some floor pieces appear broken and don’t allow repair.
Intentionally damaged walls do not render correctly from a distance. The look of already placed builds changes when I build more/place traps.