What is the best way to water proof a concrete block retaining wall (CMU)attached house open on three sides.
If I needed to run a pipe through CMU wall how do I maintain water proofing around pipe and wall.
French drain any special type gravel and how much I.E. two feet high above pipe etc ???? my plans call for a 6 inch pipeMahalo GH
© 2017 Renovate Your World LLC