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-   -   How to assemble a PVC drain unit without gluing all parts together? (http://www.diychatroom.com/f80/how-assemble-pvc-drain-unit-without-gluing-all-parts-together-99752/)

sukhenkoi 03-27-2011 02:30 PM

How to assemble a PVC drain unit without gluing all parts together?
 
Hello,

Is there any trick or way to build a PVC drain unit without gluing parts together just to make right measurement of all parts?

I am remodeling my bathroom. I removed my old tub and found that the tub drain outlet was located on top of the floor joist. The drain assembly was built around of the joist. My new tub has the similar size as my old tub, so I will have to run new drain assembly around the joist as well. To build the drain assembly I will use PVC pipes and fittings and glue them together. But I have to take very precise measurements before gluing PVC parts. The problem is that I cannot assemble the drain unit for measurement before gluing because PVC does not allow pushing pipes into fittings all the way. You can do it only using the PVC primer and glue, but it may be too late.
Is there any trick or way to build a PVC drain unit without gluing parts together just to make right measurement of all parts?

Thanks a lot in advance.

Just Bill 03-28-2011 07:20 AM

Cut and assemble your pieces without glue, when everything lines up, mark the joints with a felt tip pen. If you have a lot of pieces, number each piece. Then glue up, aligning the marks.

sukhenkoi 03-28-2011 08:20 AM

Thanks a lot for your advice.

My problem is that when I assemble PVC pieces without glue I can't push them all the way inside each other. But when I apply primer and glue on PVC, pieces easily go much deeper inside each other and my glued drain assembly has size and dimensions different from the assembly without glue.
I already did it once and had to cut and throw away the drain assembly I built.
I went to Home Depot for an advice and the salesperson in PVC pipes department told me that when I glue pieces together I don't have to push them all the way just push them to measured line and it will be enough to hold connection.
Could you please give me your opinion?

Ron6519 03-28-2011 10:00 AM

Quote:

Originally Posted by sukhenkoi (Post 618414)
Thanks a lot for your advice.

My problem is that when I assemble PVC pieces without glue I can't push them all the way inside each other. But when I apply primer and glue on PVC, pieces easily go much deeper inside each other and my glued drain assembly has size and dimensions different from the assembly without glue.
I already did it once and had to cut and throw away the drain assembly I built.
I went to Home Depot for an advice and the salesperson in PVC pipes department told me that when I glue pieces together I don't have to push them all the way just push them to measured line and it will be enough to hold connection.
Could you please give me your opinion?

Look at the dry fit joint and see how far it's away from the bottom. Add those measurements to the cut.
It should be in the 1/4-3/8" range. The larger diameter pipes(3",4") it might be more.
Ron


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