PVC Tunnel Waterproofing Membrane Systems with Protective Geotextile

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A PVC tunnel waterproofing membrane is a factory-made sheet that wraps a tunnel or deep structure before the final concrete lining. It must stay watertight under groundwater for decades, and nobody can reach it once the lining is cast. So the system includes more than a sheet: a protective fleece, welded seams and a way to locate and seal leaks ... Read More
Polyurea pond lining: applicator spraying a dark polyurea layer on the slopes of an empty concrete irrigation basin

Polyurea Pond Lining for Lakes and Irrigation Basins in Egypt

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Polyurea pond lining means spraying a hot, two-component membrane onto the bed and banks of a pond, lake or basin. In Egypt, many compounds use artificial lakes as their main landscape feature. At the same time, farms store water in concrete or earth basins. Both lose water, and money, through leaks. This guide explains where polyurea fits, how concrete and ... Read More