I have a concrete block basement, and about 3' below the outside finish grade, I want a 3" pvc pipe to pass through the concrete block wall, to bring power and water lines from inside the house to a 48" trench that will carry them to an outbuilding and a yard hydrant. What is the proper method of sealing the wall to the pipe so that it will not leak? Where my well water pipe and conduit pass through the basement wall, they just grouted around them and in a heavy rain, they will occasionally drip. I was thinking something on the order of putting a
4" hole in the block wall, putting in the conduit, and then filling the surrounding space with grout, and tarring on the outside. Will this work, or is there a better method?- posted
17 years ago