The PlastoSol Hot Air Welding Machine is a professional-grade automatic overlap welder that uses hot air technology to create strong, consistent fusion welds. This versatile machine is perfect for roofing membranes, waterproofing sheets, pond liners, and geomembrane installations. With precise digital controls and self-propelled operation, it delivers excellent productivity and weld quality.
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*Price varies based on configuration and quantity
Understanding the hot air overlap welding process
Two membrane sheets are overlapped (typically 50-100mm) and positioned under the machine.
A stream of precisely controlled hot air is directed between the overlapping surfaces, heating both to fusion temperature.
Immediately after heating, pressure rollers compress the softened materials together, creating molecular fusion.
The machine automatically travels along the seam, creating consistent welds continuously.
Hot air welding creates a clean fusion bond without any additional materials (no welding rods required), making it faster and more economical for large-area applications.
One machine, multiple welding configurations
Standard overlap seam welding for joining two membrane sheets. Creates wide, strong seams perfect for roofing and waterproofing.
For welding membrane edges to walls, curbs, and vertical surfaces. Essential for detail work in waterproofing applications.
Creates T-shaped joints where three membrane sections meet. Critical for complex roof geometries and multi-directional seams.
Advanced features that make our Hot Air Welder the professional's choice
Automatic drive system maintains consistent travel speed for uniform weld quality throughout.
High-capacity brushless blower delivers consistent hot air volume for reliable fusion.
Digital PID temperature control from 20°C to 700°C with ±1°C accuracy.
Adjustable welding speed from 0.5 to 12 m/min to suit different materials and conditions.
Quick-change nozzle system for different weld widths and configurations.
Variable roller pressure adjustment for optimal weld penetration on different materials.
Clear digital display shows temperature, speed, and operating status at a glance.
Lightweight and portable design for easy transport and use in confined spaces.
Detailed specifications for the Hot Air Welding Machine
| Model | PSI-HAW-4000 |
|---|---|
| Power Input | 230V / 50Hz (Single Phase) |
| Total Power | 3400W - 4000W |
| Heater Power | 3000W |
| Motor Power | 400W |
| Temperature Range | 20°C - 700°C (Adjustable) |
| Welding Speed | 0.5 - 12 m/min (Adjustable) |
| Weld Width | 20mm / 30mm / 40mm (Interchangeable) |
| Material Thickness | 0.2mm - 2.0mm |
| Overlap Width | 30mm - 100mm |
| Weight | 8.5 kg (Approx.) |
| Dimensions | 380mm x 180mm x 280mm |
| Cable Length | 5 meters |
| Display | Digital LCD |
| Warranty | 1 Year |
Complete package contents
Works with a wide range of thermoplastic membranes
Versatile welding solution for multiple industries
TPO, PVC, and EPDM single-ply roofing membrane installation and repairs.
Building foundations, basements, balconies, and terrace waterproofing systems.
Aquaculture, decorative ponds, irrigation reservoirs, and water storage.
Environmental containment liners for waste management facilities.
Underground structures, subway tunnels, and basement waterproofing.
Swimming pool, spa, and water feature liner installation.
Anaerobic digester covers and lagoon covers for biogas collection.
Chemical-resistant flooring and containment area lining.
Key advantages that make our machine stand out
Direct fusion welding eliminates the need for welding rods, reducing material costs and simplifying operation.
Welding speeds up to 12 m/min - the fastest option for large-area membrane installations.
Hot air creates clean, aesthetically pleasing welds without excess material or beads.
Works with the widest range of thermoplastic membranes - PVC, TPO, HDPE, PP, and more.
At only 8.5 kg, it's easy to carry and maneuver, even on rooftops and in confined spaces.
Round-the-clock technical support and quick spare parts availability.
Watch our Hot Air Welding Machine creating perfect overlap welds on various membrane materials. See how easy it is to achieve professional results.
Complete your welding toolkit with these complementary machines
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View DetailsContact us today for a personalized quote and discover how our Hot Air Welding Machine can improve your installation efficiency.
