Hot Wedge Welding

Triad Extreme Cover

Small Portable Welder for your Cover and Tarp Production

Comes fully assembled and ready to weld stationary or traveling on table top track. The Triad Extreme Cover is ready to meet any cover or tarp production demands.
Best For:
  • Curtains - Truck Side
  • Geomembranes/Liners
  • Tarpaulins/Covers
Seam Type:
  • Hem
  • Hem with Pocket
  • Hem with Rope
  • Overlap
  • Extrusion Beading
Features & Options

Features & Benefits

  • Multiple seam configurations available for multiple finishing demands
  • Excellent visibility of the welding area
  • Swing out wedge provides for easy cleaning
  • Stationary or automatic travel on track for hands free operation
  • Available in either 110V or 230V to suite your facility requirements

Technical Specs

Power Requirements

  • 120 Volts - Single Phase - 5 Amp.
  • 230 Volts - Single Phase - 2.65 Amp.

Power Consumption

  • Approx. 0.6kW

Maximum Temperature

  • 525˚C (977˚F)


  • Width: 0.254m (1o")
  • Length: 0.508m (20")
  • Height: 0.305m (12")


  • 23kg (50lb)

Seam Width

  • 10-50mm (0.5-2")

Welding Cycle

  • Approx. 10m/min.*

* Depending on the application, the seam width and the type of material used
Our Training Process

Trust Miller Weldmaster to get your started!


Schedule Your Training

A Miller Weldmaster certified field service engineer will contact you to schedule installation and training at your facility. 

Installation Preparation

We provide you with everything you need to know to get your team ready for installation and training.

Staff Training

Your staff will receive extensive instruction on welding equipment operation and maintenance and how to produce your product.



Machine Videos

  • Overview & How Tos
  • Training Videos
Portable Efficient Welder for PVC, Acrylic & More!
Portable Hot Wedge Welder Designed for Tarp and Cover Applications l Triad Extreme Cover
Triad Cover Training
Triad Training I Wedge Alignment and Adjustment
Triad Training I The Drive System

Service & Resolution Center

Our service team is dedicated to keeping our customer’s businesses running at optimal performance and assisting with any solutions you need. We are standing by to help you.

Contact Us Today!

Ready to get started or just have more questions for us? Simply fill out this form and we will be in touch with you shortly.