Install drain basket in new acrylic tub

I am getting ready to do the final setting of my new tub. I was told by the manufacturer that I should use sylicone and not putty on the metal drain flange that mounts in the tub and screws into the PVC drain.

This sound very permanent so I want to get it right.

Do I need anything on the metal threads of the basket that screw into the PVC pipe?

There is a foam rubber gasket that goes underneath the tub, between the tub and the PVC pipe. Does this need any sealant on it? Or is this just to snug the fitting up to the uneven surface of the tub?

Thanks!
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RSmith99 said:

Do I need anything on the metal threads of the basket that screw into the PVC pipe?

Click to expand...

No.

There is a foam rubber gasket that goes underneath the tub, between the tub and the PVC pipe. Does this need any sealant on it? Or is this just to snug the fitting up to the uneven surface of the tub?

Click to expand...

The rubber is crushed slightly to keep tension on the seal above. No sealant.