Lower trial weld strengths in polyethylene seams
October 1, 2023 | GSI News
Polyethylene (PE) seaming techniques are used in the field to fabricate rolls of geomembranes into liner systems. There are two predominant methods used: hot wedge “fusion” welding and “extrusion” seaming. Over the past year, installers have noticed lower trial weld strength than in years pa…