pvc to abs glue

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thenewguh

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Hello all.
I searched around first regarding connecting pvc to abs and found that some folks are ok with using transition glue, but didn't see anything about using a hubless encased in concrete. So, here goes.

My problem: I have abs drain pipe in a shower i'm remodeling. I'm on a slab in california. I have access to the complete trap, which I plan on cutting out and replacing. Problem: My drain is pvc and I don't want to wait another week to reorder an abs drain if possible.

So, can I:

1) put a new abs trap on and use transition glue to glue the pvc drain to the abs riser?

or

2) put a new abs trap on and use a fernco hubless to connect the pvc drain to the abs riser?

I will be filling up the hole with concrete, so should I be nervous about using the fernco connection since i'll be encasing with concrete, or just go with the transition glue and call it macaroni?

thanks!
 

Bob NH

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I have used solvent cement that is labeled for ABS and for PVC. It seems to work well. It was available at HD. I always use purple primer but many people don't like the looks of the runs on white PVC, so you can probably use clear primer.
 

thenewguh

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thanks for the reply, bob.

And, did you only prime the pvc and not the abs with that solvent?
 

Bob NH

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I have a technique for assembling plastic pipe joints.

First, cut the pipe square, using whatever tooling is required based on your skill.

Then I de-burr and chamfer the outer edge, and the inside edge of the pipe if the flow is into the pipe.

I thoroughly clean and prime every surface, until the printing on the pipe is removed. Then I put adhesive on every surface; no "holidays" or missed spots.

I assemble the joint in a way that lets me give it a quarter turn as I finish the assembly, all the way to the stop in the fitting, and hold it in place for a few seconds so it doesn't push out due to the tapered fitting bore.

I never get a leak at a cemented joint.
 

Terry

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proflex.jpg

You could use a shielded coupling like this, and skip the glue all together.
 
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