The following documents contain information about research and development in the area of environmental protection of concrete. They are in the Adobe Reader (pdf) format. You need to have the Adobe Reader installed on your computer in order to view them. If you don't already have it, you may obtain a free copy by clicking the button on the right.

		A study which explores some unsolved problems associated with delayed ettringite formation in concrete.
		"Water Permeability vs Waterproof" - a paper by Patrick F. McGrath, Ph.D., which explores various aspects of reducing the permeability of concrete structures.
		"Chloride Penetration Tests on Xypex Admix C-1000NF Modified Commercial Concretes"
		"SEM (Scanning Electron Microscopy) on Xypex modified concrete and Penetron modified concrete"

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