Corner connections of geomembrane generally has two ways; one is using [136] glue (film thickness is less than 0.8), another is using professional [ac0772] welding machine (film thickness is larger than 0.8). Of course, it depends. The construction site is also very important, if it is concrete [6164] road surface, then corners can be directly connected to the corners, lapping 20 cm or so, paving two layers of concrete directly on the surface. When it comes to pool, the best advice would be heatsealing welding, because it is more reliable. If it is a small area, then we can use geomembrane dedicated glue.