Uniroof 300
The Leister Uniroof 300 is a game-changing, entry-level roof welding machine designed to deliver precision and reliability for thermoplastic membrane sealing in Riyadh and Jeddah’s construction projects.
- Entry-level roof welding machine ideal for PVC, TPO, EVA, PIB, and modified bitumen membranes
- Digital display for precise control of speed, air volume, and temperature
- Compact and lightweight at just 17 kg (37.5 lbs) for easy portability on-site
- Low-maintenance brushless drive motor ensures durability and long service life
- Optimal welding width achieved with the included standard nozzle for consistent, high-quality seams
- Welds close to edges up to 100 mm and navigates parapet corners with ease
- Maximum welding speed of 2.8 m/min (9.19 ft/min) for efficient project completion
- Powered by a robust 3300 W heating element for superior performance in Riyadh and Jeddah projects

Sunday - Thursady
08:00 AM - 06:00 PM
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.
The Uniroof 300: The Ultimate Entry-Level Roof Welding Machine for Thermoplastic Membranes
Looking for a reliable and efficient solution to seal flat roofs in Riyadh or Jeddah? The Leister Uniroof 300 is your answer. Designed for both beginners and seasoned professionals, this compact roof welding machine delivers precision, durability, and ease of use.
Key Features of the Leister Uniroof 300
- Ideal for Thermoplastic Membranes: Whether you’re working with TPO, PVC, EVA, PIB, or modified bitumen, the Uniroof 300 ensures consistent and high-quality welds. Its versatility makes it perfect for medium-sized flat roofs up to 500 sqm, as well as parapets and larger industrial projects in Saudi Arabia.
- Digital Display for Precision Control: With Leister’s advanced closed-loop technology, operators can easily set and monitor welding parameters such as speed, air volume, and temperature. This guarantees tight, durable seams every time, ensuring long-lasting roof sealing performance.
- Compact and Lightweight Design: Weighing only 17 kg (37.5 lbs), the Uniroof 300 is easy to transport and manoeuvre on-site. Its lightweight build doesn’t compromise on power, making it perfect for construction professionals in Riyadh and Jeddah who need portability without sacrificing efficiency.
- Low-Maintenance Brushless Drive Motor: Engineered for longevity, the brushless motor reduces wear and tear, ensuring smooth operation even during extended use. Paired with a 3300 W heating element, the Uniroof 300 offers unmatched reliability and performance.
- Optimal Welding Width with Standard Nozzle: The included standard nozzle ensures an ideal welding width, delivering homogeneous seams that meet the highest industry standards. Inserting the nozzle into the overlap seam is simple, making it accessible even for less experienced operators.
- Excellent Price-Performance Ratio: Offering professional-grade results at an affordable price point, the Uniroof 300 is an excellent investment for small enterprises and large construction firms alike in Saudi Arabia.
- Edge Welding Capability: Achieve seamless results when welding close to edges, up to 100 mm, and around parapet corners. This feature ensures comprehensive coverage, leaving no area unprotected.
Specifications
- Weight: 17 kg (37.5 lbs)
- Power Supply: 230V
- Heating Element: 3300 W
- Maximum Welding Speed for PVC: 2.8 m/min (9.19 ft/min)
- Maximum Temperature: 580 °C (1076 °F)
Use Cases Where the Uniroof 300 Excels
The Leister Uniroof 300 is designed to handle a variety of roofing applications across Saudi Arabia:
- Residential Construction: Perfect for sealing flat roofs on homes, providing homeowners with peace of mind knowing their roofs are protected against leaks and weather damage.
- Industrial Buildings: Ideal for larger-scale projects like warehouses and factories in Riyadh and Jeddah, where durability and efficiency are paramount.
- Parapet and Edge Sealing: Its ability to weld close to edges and corners makes it indispensable for creating watertight seals in hard-to-reach areas.
- Beginner-Friendly Projects: With its intuitive controls and lightweight design, the Uniroof 300 is an excellent choice for those new to plastic welding, offering confidence and ease of use.
Whether you’re a contractor in Riyadh, an engineer in Jeddah, or a DIY enthusiast looking for reliable tools, the Leister Uniroof 300 stands out as a top-tier solution for all your thermoplastic membrane welding needs. Backed by decades of expertise from Leister, this machine combines innovation, efficiency, and affordability to deliver exceptional value for construction professionals in Saudi Arabia.
Support and Services for Uniroof 300 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 Uniroof 300 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 Uniroof 300 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 Uniroof 300 and experience the difference quality makes in your projects.

Sunday - Thursady
08:00 AM - 06:00 PM
Get personalized quote tailored to your needs on WhatsApp
Technical Data
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Article168.634
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Voltage230 V
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Frequency50/60 Hz
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Power3450 W
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Speed1 – 10 m/min
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Temperature100 – 600 °C
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Air Volume AdjustableYes
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Welding Nozzle / Seam Width40 mm
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Welding MaterialsBitumen; ECB; EPDM; EVA; FPO; PIB; PVC; TPE; TPO; TPU
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LQSNo
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Brushless Blower MotorNo
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Length475 mm
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Width244 mm
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Height260 mm
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Weight17 kg
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PlugEU, 2 Poles, 16A
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Power Cable Length3 m
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ApprovalsCB Certification; CE; UKCA
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Protection ClassI
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Country Of OriginSwitzerland
Highlights
Compact Roof Welding Machine for Beginners

Regulated welding parameters
Digital display
With closed-loop technology, important welding parameters like speed, temperature and air volume are controlled on the UNIROOF 300 and are easy to set, thanks to the digital display.

Standard nozzle for optimum weld seam width
Homogeneously welded
Thanks to its 40 mm wide standard nozzle, Leister’s UNIROOF 300 achieves a homogeneous weld seam up to 40 mm wide. Inserting the nozzle into the overlap is easy.

Handling made easy
Ergonomic
The UNIROOF 300 from Leister is easy to roll and easy to carry thanks to its adjustable guide wheels and practical carrying handle.
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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