What is the life span of hydraulic concrete? A couple of places where pipes are coming into the house is surrounded by hydraulic cement. They also used hydraulic cement to cover the holes from the forms used to pour the foundation. Anyway water comes through a few places where they used the hydraulic cement. This has only started the last couple of years. The house is almost 20 years old. I could chip is out/replace it. Or let the water go into the french drain. Any ideas/help would be appreciated.