We are renovating and whilst the floor board upstairs was removed, the plumber dropped something which crashed through to the ceiling downstairs creating two fairly sizable holes. The builders then came to attempt to patch the holes up by sawing through the ceiling, so dust everywhere.
We sent a sample of the ceiling for testing as we wanted extra peace of mind and lo and behold it came back positive for chrysotile. It was very much a WTF moment as everything we've been told up to that point (by previous owner, the asbestos specialist who checked the house soon after we moved in, and the builders rectifying the ceiling) led us to believe the ceiling in question was new and therefore no asbestos.
I know asbestos if left undisturbed is not harmful but now it's very much disturbed and causing much anxiety. Our builder is suggesting whilst not ideal, but since the ceiling had already been skimmer over (no artex visible) it was not too problematic. We have also contacted the original asbestos specialist to ask why the findings appear different.
Assuming the worst case sceanrio and there was indeed artex within the ceiling material, what are the actual potential dangers to health? Is my builder correct that since it had been skimmed already it is not a huge risk?