Weldy Miniwelder Geo2 | Lightweight Automatic Hot Wedge Welder for Geomembranes | Dubai UAE

Fast, Testable Liner Seams from a Machine Under 4 kg

Fish farms in the Northern Emirates. Irrigation ponds and reservoirs in Al Ain. Foundation sealing and tanking membranes on Dubai basements. These projects share one requirement: hundreds of metres of consistent, leak-proof seams on geomembranes between 0.5 and 1.5 mm — laid down faster than any hand tool can manage. The Weldy Miniwelder Geo2 is the machine built for that job.

The Geo2 is a self-propelled automatic hot wedge welding machine weighing under 4 kg. It drives itself along the liner overlap at up to 7.5 m/min, pressing both sheets against an electrically heated wedge and producing a double weld seam (2 × 12 mm) with a central test channel — the seam geometry consultants demand because it can be air-pressure tested and documented. Two buttons activate temperature and drive, two dials adjust them, and two LEDs display live process status. Crews learn it in minutes, which is exactly what fast-moving UAE lining sites need.

Key Features of the Weldy Miniwelder Geo2

Revolutionary Chainless Drive Technology

Traditional wedge welders transmit drive through chains that stretch, slip and demand constant maintenance. The Geo2’s chainless drive delivers smooth, even feed directly to the rollers — constant speed means constant heat input, and constant heat input means uniform seam strength from the first metre to the last.

Automatic Wedge Positioning

When welding starts, the Geo2 positions its hot wedge into the overlap automatically. This removes the classic start-of-seam operator error — a mis-seated wedge that scorches or misses the first stretch of weld — and makes reliable results achievable even for newer crew members.

Double Seam with Test Channel

The 2 × 12 mm dual-track seam leaves an unwelded channel between the welds. Site QC simply seals the ends, pressurises the channel and watches the gauge — the standard non-destructive test on lined ponds, landfills and tanks across the UAE. Hand-welded seams cannot offer this.

Copper or Chrome Steel Hot Wedge

The Geo2 runs a copper wedge for PE materials, with a chrome steel wedge variant for PVC. Temperature is adjustable from 60 to 480°C, covering LDPE and PVC from 0.5–1.5 mm, TPO/FPO from 0.7–1.5 mm, and HDPE from 0.4–1.0 mm.

Truly Lightweight at 3.9 kg

At 228 × 228 × 170 mm and 3.9 kg, the Geo2 is carried in one hand up a berm, along a slope, or into a half-built tank. For heavier HDPE (up to 2.5 mm) on large earthworks, the step-up machine is the 15 kg Weldy WGW 300 hot wedge welding machine with its powerful drive and large rollers for uneven ground.

Geo2 vs Tex1 vs Tex2 vs WGW 300 — Choosing Your Weldy Wedge Welder

Miniwelder Geo2 (this page): geomembranes 0.4/0.5 – 1.5 mm, double seam with test channel — ponds, fish farms, water tanks, foundation sealing.
Miniwelder Tex1: ultra-thin foils 0.05 – 1.0 mm with an innovative ball wedge — greenhouse films and agricultural covers; see the Miniwelder Tex1 superlight welder.
Miniwelder Tex2: thin membranes 0.1 – 1.0 mm with a 20 mm single seam — roofing and industrial fabrics; see the Miniwelder Tex2 thin-membrane expert.
WGW 300: heavy HDPE 0.8 – 2.5 mm for mines, landfills and large reservoirs — the WGW 300 geomembrane welding machine.

Whichever seamer runs the long welds, every lining crew also carries an extrusion welder for details — the Booster EX2 or high-output Booster EX3 — plus a hot air gun like the Weldy HT1600 for tack welds and patches.

Applications Across Dubai, Sharjah, Abu Dhabi and the UAE

Fish farms and aquaculture ponds – RAK, Fujairah and Abu Dhabi coastal projects
Water tanks and reservoirs – potable and irrigation storage lining
Foundation sealing – basement tanking and damp-proof membranes on Dubai and Sharjah builds
Agricultural and landscaping ponds – farms in Al Ain and Al Dhaid
Industrial containment – secondary containment bunds and process ponds
Decorative lakes and leisure water features – hotels, parks and golf courses

Weldy Miniwelder Geo2 Technical Specifications

Specification	Value
Voltage	120 / 230 V~
Frequency	50 / 60 Hz
Maximum power	800 W
Temperature	60 – 480 °C
Hot wedge material	Copper / Chrome steel
Weld seam width	2 × 12 mm (with test channel)
Max. overlap	100 mm
Welding speed	0.4 – 7.5 m/min
Dimensions (L × W × H)	228 × 228 × 170 mm
Weight	3.9 kg
Weldable materials	LDPE, PVC* (0.5–1.5 mm); TPO/FPO (0.7–1.5 mm); HDPE (0.4–1.0 mm) — *PVC with steel wedge
Conformity	CE
Protection class	I

Delivery contents: Instruction manual, transport box, Allen key, cleaning brush.

Accessories from Dubai stock: Copper hot wedge 56 × 36 mm with test channel (230V/120V), steel hot wedge for PVC, silicone drive rollers 22 × 50 mm (pair, without test channel), steel drive rollers 22 × 36 mm with test channel (pair), and the Miniwelder guide bar for straight-line seaming.

Buy the Weldy Miniwelder Geo2 in Dubai, Sharjah, Abu Dhabi & Across the UAE

We stock the genuine Miniwelder Geo2 (230V EU-plug copper and steel-wedge variants, plus 120V) at our Deira location, delivering across Dubai, Sharjah, Abu Dhabi, Ajman, Ras Al Khaimah, Fujairah, Umm Al Quwain and Al Ain. Lining contractors, aquaculture developers and waterproofing companies get machines, wedges and rollers from local stock — no waiting on overseas freight mid-project.

📞 Call now: +971 50 178 9490

Frequently Asked Questions – Weldy Miniwelder Geo2

What thickness of geomembrane can the Geo2 weld?

HDPE from 0.4–1.0 mm, LDPE and PVC from 0.5–1.5 mm, and TPO/FPO from 0.7–1.5 mm. PVC requires the chrome steel wedge variant. For HDPE up to 2.5 mm, use the WGW 300.

Does the Geo2 produce a testable seam?

Yes — a 2 × 12 mm double weld with a central test channel that can be air-pressure tested for QC documentation, the standard requirement on lined ponds, tanks and containment works.

How fast does the Miniwelder Geo2 weld?

Adjustable from 0.4 up to 7.5 m/min — on good material and site conditions, several hundred metres of tested seam per day is realistic for one operator.

Is the Geo2 difficult to operate?

No. Temperature and speed switch on/off with two buttons and adjust with two dials, two LEDs show process status, and the wedge positions itself automatically at seam start. New operators are productive within a day.

Can it weld PVC liners?

Yes, with the steel-wedge version (PVC only with steel wedge). The copper wedge is optimal for PE materials.

What is chainless drive and why does it matter?

Drive is transferred without chains, eliminating chain stretch and slip — feed speed stays constant, so seam quality stays constant, with less maintenance in dusty UAE site conditions.