First, the answer to Vol. 7 (last week). The biggie here is the overlap of the extrusion on extrusion. I suggested they cut all the extrusion out and used a…
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First, the answer to Vol. 6 (last week). Here are 14 things I noted, in order of occurrence. Dirt stripes. Dirt stripes negatively impact seam quality. Dirt stripe on top…
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For such a short video, there were several things that I identified. I’ll post them in the order that I identified them. No rub sheet to set the extrusion welder…
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On Tuesday, March 4th a special session is being held at the GEOTECHNICAL Frontiers 2025 conference to discuss welding of geomembranes. It is scheduled for 1:30-3:00 pm. Panelists for the…
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Picture it – the Arizona Desert, June 15th 2011. A double-lined containment project encompassing nearly 200-acres. You’ve been working night shift on a liner installation six-days a week since April…
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Great job everyone! You nailed this one, too! The two things I identified before putting this video up were the speed of the compactor in reverse and the spinning of…
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Thank you everyone for the great responses! Once again, you nailed it! There were both safety issues and quality issues present in the photograph of double-sided drainage geocomposite. I’ll start…
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Play the video for my thoughts on last week's installment and then scroll down for this week's challenge. In these blog posts, Do You See What Glen Sees, I will…
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Welcome to a new and regular feature on my blog: “Do You See What Glen Sees?” In these blog posts, I will present a photograph or short video related to…
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As the geosynthetics industry continues to grow, efforts are continuously being made to improve the installation quality – which is a good thing! Understanding the parameters impacting thermal fusion wedge...
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Glen Toepfer
