Controlled permeability form liner Zemdrain, made by DuPont, was used extensively on the award winning Flintshire bridge over the River Dee in North Wales. Specified by consultant Gifford Graham & Partners, the CPF liner was used in the precasting of the 88 units for the A-frame tower.
Use of Zemdrain ensured that each unit had a dense impermeable surface with a high quality finish. The result will be a longer life for the striking new gateway to Wales.
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