Plumbing new shower drain

I am installing a new shower pan and I have copper pipe in my house, which means that I would be installing the drain with oakum and lead. The drain came with a rubber gasket for use with plastic pipe, and that leads me to ask this question: What with all the advances in technology, is there an alternative way to seal a copper pipe, e.g. some kind of waterproof caulk, a different rubber gasket that is thicker to make up for the smaller OD of the copper pipe, etc.?
Thanks,
Bobbo
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umm,,, yeah..!! its called a Fernco coupling, or a pipe connect.. or a no hub connector.. or a flexible coupling... wish I woulda invented this fitting,,,Id be paying someone to type this right now
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1st choice is get a shower drain assmb. that sweats to the copper. 2nd choice is get one thats ips and use a cxm adapt. 3rd choice is get a pvc drain assmb. and use an approved coupling such as a fernco no-flex. I don't think your going to find drain assmb. for a pan that chaulks on, but hey I'm only a plumber. kenny b
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What about a copper by IPS shielded coupling?? Best fit
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If you have copper pipe for your drain then you are not going to make any connection/seal with oakum.
IF it is copper drain then you can get an adapter to your shower drain and make the connection with a solder joint.
Shower drain can be diff material. Look at a brass ZURN.
You have one with rubber gasket right now, they also come threaded.
Don't use the blob of stuff method, get the threaded adapter and solder it together.
PS: Dont forget that trap thingy.

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say what? You never leaded in a copper stub.
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NO I just got the proper size adapter and made the connection.
I have use the method to go from cast to PVC though worked great. Had to spend like 10 bucks on some tamping tools I got at this old time tool shop in town. Im happy to have them though.
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