Ok, I'm all new to this forum; my apologies for not giving you enough information! The soil stack (didn't know the difference between a soil stack and a vent stack until you explained it) is a vertical 3" PVC pipe and I'm trying to tie a 1 1/2" PVC pipe into that for the lav by using a 3" x 1 1/2" tee. The lavatory IS going to be vented separately. How would I go about inserting the tee into that vertical stack? I don't know how much I can lift the soil stack once I cut it. Your help would be greatly appreciated.

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Originally Posted by eigenheerc

Ok, i'm all new to this forum; my apologies for not giving you enough information! The soil stack (didn't know the difference between a soil stack and a vent stack until you explained it) is a vertical 3" PVC pipe and I'm trying to tie a 1 1/2" PVC pipe into that for the lav by using a 3" x 1 1/2" tee. The lavatory IS going to be vented separately. How would I go about inserting the tee into that vertical stack? I don't know how much I can lift the soil stack once I cut it. Your help would be greatly appreciated.

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In case you didn't read my instructions on how to cut into a stack here they are again.
First we take a 3X 1 1/2" PVC street tee tee,(see image) and place it against the stack with the center of the branch at 17 1/2" off the floor. Mark the edges.
Now add 3/16 ths" on to each mark. Next we place a raiser,(see image) clamp 6inches above the top mark and a bumper jack under one of the ears and jack it up to where it begans to take a strain. Make very sure it's solid and won't slip off. VERY SURE!!!
Next we take a Saws-All,( reciprocating saw) and make the top cut, then the bottom one and remove the cut piece, making sure the cuts are straight. Now we place the metal sleeves and rolled back rubber gaskets on the open ends, (NO-Hub Couplings see tee in, snap the gaskets up and tighten the No -Hub Couplingsimage). Because we increased the cut by 3/16 ths" on both ends we now have enough room to slip the bald ends of the tee in place and tighten the NO-Hub bands. When the bands are tightened and the tee secure you may release the jack and remove the raiser clamp. And now you know how we do it Tom

Tom - It looks to me that the top of the tee in your picture has a hub. Is it the wrong picture, or is it my eyes? - Dennis

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Originally Posted by dclynch

Tom - It looks to me that the top of the tee in your picture has a hub. Is it the wrong picture, or is it my eyes? - Dennis

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My fault Dennis.
"you prime and glue in a 6" piece of PVC into the hub." By doing this you have a place for the No-Hub Bands. I had tucked my last post up in note book when I went searching for the images I put up and when I retrived it some of it was was missing. Sorry, Tom