21. C . B . Wright & Sons began to make " hydraulic cement " in Hull, Quebec in 1830. 22. The use of hydraulic cement to mortar the locks is the first known use of the material in North America. 23. In addition, Herod also used the latest technology in hydraulic cement and underwater construction to build the harbor at Caesarea. 24. After following manufacturers'directions for patching compound or hydraulic cement to seal cracks, cover walls and floors with a waterproofing paint. 25. The hydraulic cement you used probably did not work because the crack was too narrow to get much of it in. 26. "The dam is constructed of huge granite blocks, laid in hydraulic cement firmly embedded and bolted upon the river rock bed. 27. When they see water coming through the joint between wall and floor, some homeowners try to fill it with hydraulic cement . 28. Q . Some of the joints in my mortared fieldstone foundation leak, so I repointed them, filling them with hydraulic cement . 29. ASTM ), pigments are not allowed constituents of Portland cement, and colored cements are sold as " blended hydraulic cements ". 30. Still another possibility is hydraulic cement ( Top'n'Bond is one brand name ), which expands as it sets, and may work better.
