Geostar G7 LQS
Engineered for excellence, the Geostar G7 LQS delivers 45% higher performance and advanced GPS-enabled documentation, making it the go-to choice for civil engineering and landfill construction in Saudi Arabia.
- 45% Higher Performance: Outperforms the GEOSTAR G5, delivering faster and more efficient welding for large-scale projects.
- 100% More Powerful Drive Motor: Ensures superior traction and control, even on challenging terrains in Saudi Arabia.
- Wireless Data Transmission: Seamlessly transfer welding data via Wi-Fi to the myLeister app for real-time monitoring and documentation.
- Built-In GPS Functionality: Track and document weld locations, ensuring precision and accountability for civil engineering projects.
- Versatile Material Compatibility: Welds geomembranes like HD-PE, PVC, TPO, and more, with thicknesses ranging from 1 to 3 mm.
- Durable Aluminum Frame: Lightweight yet robust design weighs only 18 kg, making it easy to transport and maintain.
- Real-Time Parameter Monitoring: Digital display provides updates on speed, temperature, pressure, and voltage for consistent quality.

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Disclaimer: Please note that images or illustrations may differ from the actual products due to presentation reasons and are therefore non-binding. Technical changes and errors are excepted. For the most accurate information, contact our customer service team.
Introducing the Geostar G7 LQS: The Ultimate Geomembrane Welding Machine for Precision and Efficiency
When it comes to geomembrane welding in civil engineering and landfill construction, the Geostar G7 LQS from Leister sets a new benchmark. With its groundbreaking features like wireless data transmission, GPS integration, and 45% higher performance than its predecessor, the GEOSTAR G5, this machine is designed to meet the demands of professionals in Riyadh, Jeddah, and across Saudi Arabia.
Why Choose the Geostar G7 LQS?
Imagine having a welding machine that not only delivers unmatched performance but also ensures precise documentation and real-time monitoring of every weld. Whether you’re working on geomembrane installations for water management systems or landfill projects in Saudi Arabia, the Geostar G7 LQS combines power, precision, and portability to make your job easier and more efficient.
Key Features of the Geostar G7 LQS
- 45% Higher Performance Than GEOSTAR G5: The Geostar G7 LQS offers significantly improved efficiency, making it ideal for large-scale projects in Saudi Arabia’s growing construction sector. This enhanced performance ensures faster welding without compromising quality.
- 100% More Powerful Drive Motor: With double the power of its predecessor, the drive motor ensures superior traction and control, even on challenging terrains commonly found in civil engineering and landfill construction projects across Riyadh and Jeddah.
- Robust Cast Aluminium Frame: Built to last, the lightweight yet durable aluminium frame weighs only 18 kg (39.68 lbs.), making it easy to transport and manoeuvre. Its robust design ensures longevity and resistance to wear and tear, even in harsh environments typical of Saudi Arabia’s industrial sites.
- Wireless Data Transmission via Wi-Fi: Seamlessly transfer welding data to the myLeister app, enabling real-time monitoring and effortless quality documentation. This feature is particularly valuable for construction professionals in Saudi Arabia who require detailed reporting for compliance and project audits.
- Welding Parameter Reports via the myLeister App: Access comprehensive reports on welding speed, temperature, pressure, and mains voltage directly through the app. This capability ensures consistent quality and allows for quick adjustments during the welding process, minimizing errors and rework.
- Built-In GPS Functionality: Track and document the exact location of each weld, which is critical for large-scale projects like landfill liners and water containment systems. This feature enhances accountability and simplifies project management.
- Digital Display for Real-Time Monitoring: The intuitive digital display provides real-time updates on welding parameters, including pressure, speed, temperature, and voltage. This ensures optimal performance and reduces the risk of defects in the final product.
- Versatile Material Compatibility: The Geostar G7 LQS can weld a wide range of geomembrane materials, including HD-PE, PP, LD-PE, TPO, FPO, PVC, CSPE, and EIA, with thicknesses ranging from 1 to 3 mm (40 to 120 mil). This versatility makes it suitable for various applications in Saudi Arabia’s diverse construction landscape.
- Maintenance-Friendly Design: Easy access to mechanical parts ensures hassle-free cleaning and component replacement. This design minimizes downtime and maintenance costs, keeping your operations running smoothly.
Ideal Use Cases for the Geostar G7 LQS
The Geostar G7 LQS excels in scenarios where precision, durability, and documentation are paramount. Here are some examples:
- Civil Engineering Projects: From water reservoirs to irrigation systems, the Geostar G7 LQS ensures leak-proof geomembrane installations that stand the test of time.
- Landfill Construction: In Riyadh and Jeddah, where waste management is a growing concern, the Geostar G7 LQS provides reliable solutions for constructing impermeable liners that prevent environmental contamination.
- Waterproofing Applications: Ideal for roofing and foundation waterproofing, this machine ensures seamless welds that protect structures from moisture ingress, a critical consideration in Saudi Arabia’s climate.
- Industrial Installations: Whether you’re working on containment systems for chemicals or agricultural ponds, the Geostar G7 LQS delivers consistent results tailored to your specific needs.
Support and Services for Geostar G7 LQS from Global Source
At Global Source, we are committed to providing professionals in Riyadh and Jeddah with the highest quality products and services. Our partnership with Leister ensures that you receive cutting-edge welding solutions backed by over 70 years of expertise. Additionally, we offer:
- Comprehensive maintenance and repair services for Geostar G7 LQS using original spare parts.
- Customized training sessions for Leister machines, available at our offices or your location.
- Local support and quick delivery options to keep your projects on track.
Get Your Geostar G7 LQS Today!
Don’t miss out on the opportunity to elevate your welding capabilities. Stock is moving fast at our Riyadh and Jeddah locations! Contact Global Source today to order your Geostar G7 LQS and experience the difference quality makes in your projects.

Sunday - Thursady
08:00 AM - 06:00 PM
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Technical Data
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Article155.152
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Voltage230 V
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Frequency50/60 Hz
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Power2800 W
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Temperature80 – 460 °C
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Speed0.8 – 12 m/min
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Welding TechnologyHot Wedge
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Hot Wedge Length130 mm
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Hot Wedge Width50 mm
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Hot Wedge MaterialCopper
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Max. Overlap150 mm
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Max. Welding Pressure1500 N
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Weld Seam Width2 x 15 mm / 2 x 0.59 in
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Roll MaterialSteel Roller Sharp Diagonal
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LQSYes
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DisplayYes
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Length482 mm
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Width278 mm
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Height269 mm
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Weight18.1 kg
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Welding MaterialsFPO; HDPE; LDPE; LLDPE; PE; PP; TPO
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Weldable Material Thicknesses1 – 3 mm
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Power Cable Length3 m
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PlugEU, 3 Poles, 16A
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ApprovalsCB Certification; CE; UKCA
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Protection ClassI
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Country of OriginSwitzerland
Highlights
Easy, Smart, Quick

Large hot wedge
Powerful
Increased performance thanks to 130 mm long hot wedge.

Continuous control thanks to e-drive display
Intuitive
The pressure, welding speed and temperature are monitored and controlled via the digital display.

Optimized wedge geometry
Welding with ease
Faster welding thanks to new wedge geometry. Wedge replacement in less than one minute.
Applications
Nearly Limitless





Leister: A Legacy of Innovation in Plastic Welding Technology
Leister, a Swiss company with a rich history dating back to 1949, has established itself as a global market leader in plastic welding and process heat technologies. Renowned for their commitment to innovation and quality, Leister’s products have become the benchmark for industries requiring durable and efficient solutions. From roofing and civil engineering to tunneling and plastic fabrication, Leister’s tools are integral to various applications that demand precision and reliability.
Leister’s product portfolio is extensive, featuring hot-air hand tools, extruders, welding machines, and a wide array of accessories. These products cater to both DIY enthusiasts and industrial professionals, ensuring that every need is met with the highest standards of performance. Additionally, Leister Technologies AG extends its reach through the WELDY brand and private labeling options, further solidifying its presence in the global market.
With over 70 years of expertise, Leister continues to push the boundaries of technology, offering solutions that incorporate hot air, laser, and infrared technologies. Their unwavering dedication to research and development enables them to provide tailored solutions for diverse industrial requirements. This commitment to innovation, coupled with a global network of over 80 distributors, ensures that Leister remains at the forefront of the plastic welding and process heat industries.
Global Source is proud to partner with Leister, carefully curating their top-tier products to meet the specific needs of construction professionals in Saudi Arabia. By selecting only the best from Leister’s range, Global Source ensures that clients have access to reliable, efficient, and innovative solutions that enhance their projects and operations.
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