Automatic Hot Air Welder

The Sirocco is a high powered, economic roofing welder. It features an air dam to hold more heat at the welding point, a brushless hot air blower, sliding traveling wheels, a seam guide, an auto run switch, and more.

Includes: Case, Spare Heat Element, Weights, and Adjustment Tools.



Model Number: ZTR-S400

Power: 230V, 4200W, 18.2A, 50/60Hz

Welding Speed: 1-33ft/min, 1-10m/min (adjustable)

Air Temp: 68-1150ºF, 20-620ºC (adjustable)

Seam Width: 1.5in, 40mm

Weight: 49lbs, 22kg (with weights)

Digital Display: Temperature and Speed

Material: PE, PVC-P, PVDF TPO, Single Ply Roofing Membrane


“Big thanks to Greg at Zonda Tools for bringing a demo machine of his PVC welder to our job site today a beautiful machine making great welds at an incredible price thank you Greg!”

    -Volt Modern Roofing and Solar