... large size PVC-P, ECB, EPDM, CSPE and TPO materials, such as roofing material, container tents, PVC tarpaulin, PVC water bed, swimming pool, plastic membrane material, inflatables jointing and mending ... adhesive tape or glue.2. Open power, set welding temperature and welding speed (according to tarpaulin thickness and operator’s proficiency), warm-up the machine.3. When temperature reaches the ...