The following letters are from W.S. Langley Concrete and Materials Technology stating how Ectoflex™ was applied on the Confederation Causeway. Ectoflex™ has also been applied on the following locations: Halifax Sewage Plant Grand River Raceway in Elora, Ontario Toronto Housing Authority Brighton Water Treatment Plant Department of Transportation in Washington D.C   You will need the Acrobat Reader to view these documents. Click on the image to download the latest version.