The link to the sealant used has expired so not sure what he put over the oakum.
The link to the sealant used has expired so not sure what he used.
I would think it should have the rubber ring just like a floor drain in a shower? The ribbed style that would slip over the pipe and pack into the metal fitting. Like this one:
https://www.menards.com/main/bath/bathtubs-showers/custom-showering/shower-pans/fiat-quick-drain-connector/qdc4000/p-1461693419822-c-5881.htm?tid=-5280288052177432300&ipos=91
