I cut a 10" diameter hole in my foundation wall to slide an 8" PVC pipe to be used as a sleeve to hold a 6" PVC sewage drain pipe.
I need to seal (water-tight) between the concrete and the 8" PVC sleeve, and between the sleeve and the 6" PVC pipe.
I've seen recommendation for expanding foam and polyurethane sealer, as well as hydaulic cement and other solutions.
Unfortunately, the pipes are already run and only after spray foaming the basement walls and around the pipes did I find out...
Seal PVC Pipe Through Concrete
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