The use of bituminous geomembranes (BGM) in reservoir applications

April 10th, 2024

FIGURE 1 Storage of 1.5 million cubic meters of raw water from the Maipo river waterproofed with Coletanche ® bituminous geomembrane for Aguas Andinas, the water utility company for Santiago de Chile. The relentless growth of the global population over successive decades has placed a significant strain on the demand for food and potable water […]

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The challenge of geomembrane wild edge thickness

August 1st, 2023

Q: Over the past several years, we have seen a reduction in thickness of the weld edge (smooth edge) of textured geomembranes. This is presenting a challenge for installers when trying to achieve passing trial seams in the field prior to production welding. Destructive seam tests are passing, but just barely (10% above GM19a or […]

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