I have an older home with a series of retaining walls. The house was
recently re-plumbed with pex. I'd like to run a 3/4" line to the lower
side of the property. How should this be properly done when there are
Currently there is one 3/4" line which runs over the retaining walls
and terminates in a spigot. The pipe is insulated with foam wrap,
which is unsightly. How do the pros put the lines in the ground behind
the wall when the wall is pre-existing construction?