Pocster Posted June 8, 2020 Author Share Posted June 8, 2020 Ok . It’s not a water tight seal ( lifted drain further down the line and there is a slight trickle ) . It’s a ‘partial’ test . No indication of any leaks in underground bunker Link to comment Share on other sites More sharing options...
PeterW Posted June 8, 2020 Share Posted June 8, 2020 42 minutes ago, pocster said: Because I want a water tight seal and I love expanding foam ! ? But you've now screwed the pipe up, you can't use foam eater to clean it as it will damage the pipe, and there is a very good chance the foam will leave a residue on the nice shiny pipe that will trap crud and other sliding items... 1 Link to comment Share on other sites More sharing options...
Pocster Posted June 8, 2020 Author Share Posted June 8, 2020 12 minutes ago, PeterW said: But you've now screwed the pipe up, you can't use foam eater to clean it as it will damage the pipe, and there is a very good chance the foam will leave a residue on the nice shiny pipe that will trap crud and other sliding items... ? Its now cleaner than a babies bum ! Link to comment Share on other sites More sharing options...
Mr Punter Posted June 8, 2020 Share Posted June 8, 2020 It is well worth buying a couple of drainage plugs for testing and isolating. https://www.screwfix.com/p/bailey-steel-drain-test-plug-100mm-2-pack/62513 The expanding foam was a bit mental. 1 Link to comment Share on other sites More sharing options...
Pocster Posted June 8, 2020 Author Share Posted June 8, 2020 13 minutes ago, Mr Punter said: It is well worth buying a couple of drainage plugs for testing and isolating. https://www.screwfix.com/p/bailey-steel-drain-test-plug-100mm-2-pack/62513 The expanding foam was a bit mental. Mental or sheer brilliance!!? ! Link to comment Share on other sites More sharing options...
PeterW Posted June 8, 2020 Share Posted June 8, 2020 No he meant what he said... 2 Link to comment Share on other sites More sharing options...
Oz07 Posted June 8, 2020 Share Posted June 8, 2020 Yeh I've got a few bungs 6" and 4" always like to test drainage to 1m. To be fair though I've never had a bad pvc underground joint. Sometimes I've had an air bubble/lock in a temporary fitting or something which can play tricks on you 1 Link to comment Share on other sites More sharing options...
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