
DemTech Pro-Wedge VM20 Geomembrane Welding Machine (HDPE 1.0 - 3.0 mm)
R250,000
We supply DemTech Pro-Wedge VM20 Geomembrane Welding Machine (HDPE 1.0 - 3.0 mm). Send us your quantity and delivery location for a quotation, and ask our team to include installation where your project requires it.
The DemTech Pro-Wedge VM20 is a hot-wedge welding machine for joining overlapping geomembrane sheets. It is used by liner installers to form continuous welded seams in HDPE containment systems. This listing covers HDPE welding in the 1.0 - 3.0 mm material range.
Include the product name, quantity and delivery location. Supply, fabrication and installation can be quoted to your scope.
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Description
The DemTech Pro-Wedge VM20 Geomembrane Welding Machine (HDPE 1.0 - 3.0 mm) is one of the most reliable and rugged hot wedge welders available on the global market. At Geosynthetics South Africa, we recommend this trusted machine for HDPE liner welding because of its proven track record in mining, landfill, and water containment projects.
As specialists in geomembrane supply and installation, we understand that high-quality liners require equally reliable welding equipment. The Pro-Wedge VM20 consistently delivers strong, leak-proof seams, even in Africa’s harsh project environments. Whether you need to purchase this machine for long-term use or hire it with an experienced operator, Geosynthetics South Africa assists clients across South Africa and Africa in securing and deploying it effectively.
Applications:
- Mining: Tailings storage facilities, heap leach pads, evaporation ponds
- Waste Management: Landfill capping, basal liners, leachate ponds
- Water: Reservoirs, aquaculture ponds, wastewater treatment facilities
- Civil Engineering: Canals, stormwater ponds, flood control
Materials Welded:
- HDPE (1.0 - 3.0 mm)
- LLDPE
- FPP
- PP liners
- PVC flexible membranes
Key Features:
- Heavy-duty hot wedge system designed for HDPE liners
- Adjustable temperature, pressure, and speed
- Rugged build suited for African project sites
- Reliable seam strength that meets international QA/QC standards
Why Choose Geosynthetics South Africa:
- Supply & Delivery: We assist clients across South Africa, Ghana, Tanzania, Zambia, and beyond in securing this machine.
- Hire With Operator: For short-term projects, we provide the machine with a trained operator for professional seam welding.
- Technical Training & Support: We offer operator training, seam testing, and full technical guidance.
- Spare Parts & Maintenance: We stock consumables and provide servicing to keep machines performing on long-term projects.
With the DemTech Pro-Wedge VM20, your HDPE liners are welded with precision and strength. Backed by Geosynthetics South Africa’s supply, hire, and support services, this machine supports controlled project execution.
Supply, delivery and installation across Africa
Geosynthetics South Africa undertakes projects through three service options:
- Supply only - products supplied to the agreed specification.
- Supply and delivery - materials and logistics coordinated to your project site.
- Supply, delivery and QA/QC-controlled installation - one coordinated scope from procurement to documented handover.
For projects across Africa, we coordinate with the Geosynthetics Africa Group to mobilise installation crews from group companies across the continent. Materials, delivery, mobilisation and project-specific quality records are agreed as part of the project scope.
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Supply, delivery & installation
South African supply
We are the South African supplier of geosynthetic welding equipment and installation accessories. We have ready stock of standard grades and formats for South African projects.
Delivery & cross-border supply
We supply geosynthetic welding equipment and installation accessories across South Africa and Southern Africa, including cross-border delivery. We coordinate site access, unloading and cross-border documentation for your order.
How we install
We install geosynthetic welding equipment and installation accessories. Match the equipment and accessories to the membrane or assembly system. Confirm setup, calibration and trial welds or fastening trials before use. Our installation team uses the specified equipment with the inspection and testing procedures required for the works.
Specialist installation supported by Geosynthetics Africa (Pty) Ltd, an IAGI Installer Member.
Get a supply, delivery & installation quoteProduct documents
Ask for the current datasheet and installation instructions for DemTech Pro-Wedge VM20 Geomembrane Welding Machine (HDPE 1.0 - 3.0 mm). Identify the catalogue grade / SKU in your request so the technical submission matches the material quoted.
Technical datasheets · Installation guides
Request documents for this gradeEngineer specification
Supply and install DemTech Pro-Wedge VM20 Geomembrane Welding Machine (HDPE 1.0 - 3.0 mm). Installed by an IAGI Installer Member.
SELECTION · SPECIFICATION · PROJECT SUPPLY
Choose the right specification
Choose welding equipment for the material, seam geometry, production duty and site conditions.
- Confirm liner polymer, thickness range and wedge or extrusion-welding duty.
- Specify power supply, access, accessories, spares and operator requirements.
- Verify suitability through the approved welding procedure and trial-seam acceptance.
Define the quality records
Record equipment identity and checks, operating parameters, trial seams and applicable weld test results.
For a useful quotation: send the grade or performance specification, quantity, location, required date and scope. Availability, delivery and installation responsibilities are confirmed in the quotation.
Why Geosynthetics South Africa
One enquiry coordinates the specified product, technical submission, delivery and any agreed installation and QA/QC scope. We define quantities, programme, responsibilities and handover requirements against your project.


