four inch plastic drain pipe through concrete foundation wall
Above grade or below?
Above, carefully drill a series of 1/4 holes following a pattern made slightly bigger than the piece you are trying to fit through, this process will take quite abit of time, the better job you do with the drilling process the nicer the hole will look. Once you done drilling, get the cold chisel out and clean up the edges.
Fit sleeve in and trowel in non shrinking grout to seal the sleeve into the wall.
Below grade, not recommended, unless you use a large core drill, and have access to the outside, to reseal the foundation wall.
When its all said and done there is usually more said than done
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