Leister VARIMAT 300 Automatic Roof Welder, 230V / 3680W, without Plug

Regular price $11,285.00

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Leister VARIMAT 300 Automatic Roof Welder, 230V / 3680W, without Plug


The Leister VARIMAT 300 is an automatic welding machine for thermoplastic roofing membranes, supplied here as a 230V/3680W unit without a plug. One welder is included per order unit (EA). Leister builds automatic welders used to weld thermoplastic membranes on roofs, landfills, tunnels, truck tarpaulins and shading systems.


Key Features:

  • Automatic welding: Automatic welder designed to weld thermoplastic membranes on roofs.
  • 230V / 3680W: Runs on 230V with 3680W of power.
  • Multi-surface use: Used on roofs, landfills, tunnels, truck tarpaulins and shading systems.
  • Plug not included: Supplied without a plug so the correct cord end can be fitted for the job site.
  • Commercial grade: Built by Leister, a manufacturer specializing in automatic welders and welding machines.

Specifications Table:

Specification Details
Brand Leister
Sell unit 1 welder
Product line VARIMAT
Available sizes 230V/3680W (single item listed)
Material Automatic hot-air welding machine
Dimensions Voltage/frequency: 230V; power: 3680W
Intended use Welding thermoplastic membranes on roofs, landfills, tunnels, truck tarpaulins and shading systems
Pack quantity 1 welder
Assembly Ships without plug; plug/cord end to be fitted by the user or electrician

Fit and Compatibility:

Welds thermoplastic single-ply membranes such as those used on commercial roofs; a compatible plug is not included and must be sourced separately. Pairs with Leister guide rollers, pressure rollers and test needles for a full welding setup.


Frequently Asked Questions (FAQ):

Q: Does it come with a power plug?
A: No, this unit is supplied without a plug, allowing the appropriate plug type to be fitted.


Q: What power does it require?
A: 230V, 3680W.


Q: What can it weld?
A: Thermoplastic roofing membranes, and Leister machines of this type are also used on landfills, tunnels, tarpaulins and shading systems.


Q: Is it automatic?
A: Yes, it is an automatic welding machine that travels along the seam.


Q: What is included?
A: One VARIMAT 300 welder per order unit.


Expert Verdict — Reviewed by the SuperArbor Pro Desk

The VARIMAT 300 is the workhorse class of automatic single-ply welder for large roof fields; select it when seams run long and straight, and keep a TRIAC-style hand welder for detail work at walls, penetrations and boots. Because this unit ships without a plug, have a licensed electrician fit a plug matched to your generator or site power. Always test seam strength with a probe on a trial weld before production welding.

Hot-air welders reach extremely high temperatures; wear heat-resistant gloves and eye protection and keep the nozzle away from your body and combustibles.


Add the Leister VARIMAT 300 to your roofing crew for fast, consistent automatic membrane welding.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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