TRIAC Drive
Built with the TRIAC S or TRIAC PID hand tool, Leister’s TRIAC DRIVE is a simple-to-use, semi-automatic welding machine for the roofing industry that is ideal for use on high-pitched roofs and steep embankments. It can produce high-quality weld seams on thermoplasts and single-ply elastoplasts in the form of geomembranes, foils, water bars and coated fabrics — even on horizontal or irregular surfaces.
- Precise overlap welding of PVC-P, ECB, EPDM, CSPE and TPO membranes
- Faster and more efficient than hand welding
- Compact, lightweight and easy to handle
- Easy-to-control, adjustable speed for high-quality results
- Ideal for confined spaces
- Consistent welding pressure
Parts Diagram

Click here to view the full-size parts diagram with part order numbers.
Ideal for applications in
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