11. Then chip it out to perhaps 3 / 4 inch wide and install hydraulic cement . 12. If it has cracks in it, enlarge the cracks and trowel in mortar or hydraulic cement . 13. The builder did put some hydraulic cement in the crack, but since then it has widened. 14. Fill it with hydraulic cement , which expands as it sets to fit tightly in the hole. 15. A . Here is one place that a plug of hydraulic cement should work on the inside. 16. If it is leaking, then it should be enlarged and filled with hydraulic cement , from the outside. 17. By 1835 the village contained a hydraulic cement plant, a post office, tavern, and several stores and houses. 18. Fill wet cracks with hydraulic cement . 19. To correct persistent seepage problems, start by sealing all visible cracks with concrete patching compound or hydraulic cement . 20. A good hydraulic cement is Top'n'Bond.
