Repairing Hole in Soil Pipe

[Richb78uk]

I have just purchased a house on starting work plumbing in for dish washer all kitchen appliances drain into soil pipe (which is on the inside of the back wall). Who ever did it made a hole in the soil pipe and inserted a old boss by the look of it, but they made the hole too big and so taped up the boss with some black stuff which is all peeling off and so leaking.

I want to sort it out properly, can a peice of new plastic cut from a new soil pipe be glued over the hole using solvent and sealed with silicon round the edges and a new proper sized hole and boss fitted?

 

[ChrisR]

What's the pipe made of and how big is the hole?

 

[Richb78uk]

Pipe is gray plastic the hole is about 7 to 8cm diameter

 

[ChrisR]

How about buying a straight connector, knocking out the stops (as you would if you wanted to make it a slip coupling), cutting it up and using a part of that?

 

[Richb78uk]

I'll give it a try and I'll post an update soon

 

[Richb78uk]

I managed to find a strap on boss in wickes which had a large enough back plate to cover the hole and so I used this with solvent to see round the boss and it doesn't leak now.