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.
Leister UNIROOF 700 Automatic Flat Roof Welding Machine

In Stock
The Monitored Welding Assistant of the UNIROOF 700 alerts the operator with an alarm and red display illumination if the machine leaves the welding area during an active weld run - providing an active quality control mechanism that protects seam integrity in the situations where operator distraction or machine deviation would otherwise produce an undetected weld quality event on a completed roof section.
- LQS documentation of temperature, air volume, and speed with GPS coordinates
- Monitored Welding Assistant – alarm and red display if machine leaves welding area
- 3680 W with brushless motors – 20% faster than UNIROOF 300 on PVC membranes
- Power management sustains weld quality under undervoltage – shuts down if quality is at risk
- myLeister app integration for LiveView, welding recipes, PDF and CSV report generation
- Eco-Mode saves up to 30% energy at maximum temperature and air volume settings
- Standard 40 mm nozzle for homogeneous seam width – close-to-edge welding up to 100 mm
- RAL quality mark certified – CB Certification and CE approved – manufactured in Switzerland

Like this product?
Speak to an Expert!
08:00 AM - 08:00 PM
Leister UNIROOF 700 - Advanced Automatic Flat Roof Welding Machine with LQS, GPS, and Monitored Welding Assistant
The Leister UNIROOF 700 is a 3680 W automatic flat roof welding machine operating from 1 to 10 m/min across temperatures from 100 to 620 degrees C with Leister Quality System data recording, GPS location tagging, Monitored Welding Assistant with alarm output, power management for undervoltage protection, voltage display, Eco-Mode energy saving, brushless motors, myLeister app integration for LiveView monitoring and welding recipe management, and standard 40 mm nozzle – welding Bitumen, ECB, EPDM, EVA, FPO, PIB, PVC, TPE, TPO, and TPU thermoplastic roofing membranes on flat roofs up to approximately 500 square metres and inclined roofs up to 30 degrees slope, with RAL quality mark certification.
Quality-Documented Automatic Roof Welding for Professional Flat Roofing Contractors
The flat roofing industry is moving toward documented quality assurance as a standard project delivery expectation rather than a premium service tier. Building owners, project managers, and facility operators who commission flat roofing work on commercial, institutional, and industrial buildings across Oman and the GCC increasingly expect evidence that membrane seam welding was performed within the temperature, speed, and air volume parameters that produce durable, watertight joints – not merely the assurance that the work was done by a qualified contractor with appropriate equipment. And in the market segment where RAL quality mark compliance, GPS-traceable weld records, and client-submittable PDF reports are the project acceptance standard, the welding machine must generate that documentation as an operational output rather than as a post-job administrative exercise.
The UNIROOF 700 is engineered for this operating reality. Its LQS system documents temperature, air volume, and speed continuously throughout every weld run, links each record to GPS coordinates, and makes the data available through the myLeister app for PDF and CSV report generation and cloud archive access at any time. Its Monitored Welding Assistant adds an active quality control layer – alerting the operator with an alarm and red display if the machine leaves the welding zone during an active run, catching in real time the deviation events that post-weld inspection cannot retroactively identify. Its power management system protects weld quality under the undervoltage conditions that extension cable length and generator supply variation produce on active rooftop construction sites. And its Eco-Mode reduces energy consumption by up to 30% at maximum settings without affecting the welding process parameters that seam quality depends on. For roofing contractors across Oman and the GCC who operate at the quality-documented end of the flat roofing market, the UNIROOF 700 provides the capability the market demands.
UNIROOF 700 Quality, Performance, and Site Management Features
- Leister Quality System (LQS) Data Recording with GPS: Records temperature, air volume, and welding speed continuously throughout every weld run and tags each data record with GPS coordinates – creating a complete, location-referenced parameter history for every seam welded on the project that can be submitted to clients, certifiers, and building owners as evidence of quality-compliant welding process execution across the full installed membrane area.
- myLeister App Integration for Reporting and LiveView: The myLeister app receives LQS data via the UNIROOF 700’s wireless connection and generates PDF and CSV weld quality reports that include GPS-referenced parameter data for each completed weld run. Cloud storage makes reports accessible at any time from any location. The LiveView function allows site managers to monitor the UNIROOF 700’s welding parameters in real time on their smartphone or tablet – providing remote process oversight without requiring physical presence at the machine position on the roof.
- Welding Recipes via myLeister App: Pre-configured welding recipes for specific membrane materials and ambient conditions can be stored and recalled via the myLeister app – enabling roofing teams to apply the correct parameter settings for each membrane type consistently across different projects and operators without manual parameter re-entry or reference to external process documentation at each project start.
- Monitored Welding Assistant with Alarm and Red Display Alert: The Monitored Welding Assistant monitors the machine’s position relative to the welding area throughout each active weld run – triggering an audible alarm and illuminating the digital display in red if the machine moves outside the defined welding zone. This active quality control function catches the deviation events that could otherwise produce undetected seam quality defects at the points where the machine left the overlap seam during the run.
- Power Management for Undervoltage Protection: The power management system maintains welding performance stability under moderate undervoltage conditions – compensating for supply voltage reduction to sustain the temperature and air volume output required for adequate membrane fusion. If undervoltage drops below the threshold at which weld quality can be guaranteed, the UNIROOF 700 shuts down automatically rather than continuing to weld at parameters that would produce a substandard seam without visible indication to the operator.
- Voltage Display for Pre-Weld Supply Verification: The voltage display shows the supply voltage before and during welding, enabling the operator to verify that the electrical supply – from the site power connection, generator, or extension cable run – meets the voltage requirement for quality welding before commencing each weld run, and to identify undervoltage conditions caused by inadequate extension cable cross-section or excessive cable length before they affect seam quality.
- 3680 W Heating Power with Brushless Motors – 20% Faster than UNIROOF 300: The 3680 W heating system and brushless blower motor deliver the thermal output and airflow consistency that enables the UNIROOF 700 to weld PVC membranes at speeds approximately 20% faster than the UNIROOF 300 – reducing total welding time on medium-sized flat roof projects and improving the productive throughput of roofing crews on large installations where the UNIROOF 700 serves as the supplementary welding machine for parapet and detail areas.
- Eco-Mode for Energy Saving up to 30%: When the UNIROOF 700 reaches maximum temperature and air volume capacity during the welding process, Eco-Mode reduces energy consumption by up to 30% without affecting the welding parameters delivered to the membrane overlap – providing measurable energy cost reduction on large-area roof welding programmes where the machine operates continuously across full working shifts.
- Standard 40 mm Nozzle for Homogeneous Seam Width: The standard nozzle – specifically developed for both the UNIROOF 300 and UNIROOF 700 – produces a consistent 40 mm hot air contact width across the membrane overlap seam, delivering uniform pre-heating and fusion conditions for homogeneous seam geometry across the full length of each weld run. The nozzle is factory-mounted on delivery, and its design enables any operator to insert it into the overlap seam without specialist technique.
- Close-to-Edge Welding up to 100 mm at Parapet Corners: The slim design and movable transport axis allow the UNIROOF 700 to weld to within 100 mm of parapet walls, around parapet corners, and in difficult-to-access roof areas including skylight dome surrounds – reducing the manual welding transitions at roof perimeters and eliminating time-consuming machine retooling for different roof geometry applications.
- RAL Quality Mark Certification: The UNIROOF 700 carries the RAL quality mark per RAL-GZ 717 Flat Roofing Systems and Services – the certification standard for premium quality in flat roof manufacture and maintenance that documents the UNIROOF 700’s compliance with the quality requirements of the professional flat roofing industry and supports its use on projects where RAL-certified equipment is a specification requirement.
- Software Update Readiness for Future Services: The UNIROOF 700 is prepared for software updates that will enable access to future myLeister services and functionality – making it a forward-compatible investment for roofing contractors whose quality assurance and digital reporting requirements will develop alongside evolving industry standards and client documentation expectations over the machine’s operational service life.
Flat Roof Membrane Welding Applications for the Leister UNIROOF 700 in Oman and the GCC
- Quality-Documented Commercial and Industrial Flat Roof Waterproofing: Provides GPS-tagged, LQS-documented automatic seam welding for thermoplastic roofing membrane installation on commercial offices, industrial warehouses, and institutional buildings across Oman and the GCC – where the myLeister app PDF reports generate the weld quality evidence that building owners, facility managers, and roofing warranty programmes require as a condition of project acceptance and warranty validation.
- Medium-Sized Flat Roof Primary Welding on TPO and PVC Membranes: Serves as the primary automatic roof welding machine on flat roofs up to approximately 500 square metres – completing field seam runs, parapet upstand seams, and corner details on TPO, PVC, and other thermoplastic membrane installations with LQS-documented parameter compliance and GPS location confirmation for every welded seam section.
- Supplementary Welding on Large Flat Roof Projects with Quality Documentation: Functions as the documented supplementary machine on large commercial and industrial flat roof projects – completing the parapet detail welds, skylight surrounds, and confined access seams that the primary high-output machine bypasses during field run welding, with the same LQS documentation and GPS tagging as the primary machine’s field seam records.
- Inclined Roof Applications up to 30 Degrees Slope: The UNIROOF 700’s performance stability and machine control capability extend its application from flat roof decks to slightly inclined roof surfaces up to 30 degrees slope – covering the low-pitch roofing applications common in industrial building construction across Oman and the GCC where roof slope and membrane waterproofing requirements coexist.
- Client Quality Assurance and Warranty Documentation Programme: The complete LQS documentation system – GPS coordinates, cloud-accessible reports, PDF and CSV export, and myLeister app LiveView for site management oversight – supports the structured quality assurance programme that professional roofing contractors present to building clients as evidence of workmanship quality, underpinning warranty commitments and establishing the contractor’s documented track record of quality-compliant installation practice.
Leister UNIROOF 700 – Available Through iBuild, Authorised Leister Distributor in Oman
iBuild is an authorised Leister distributor in the Sultanate of Oman, providing roofing contractors, waterproofing specialists, and building construction teams with direct access to the UNIROOF 700 alongside the patented scraping nozzle for TPO and tough-to-weld geomembranes, the rib profile kit for profiled sheet metal roofing, and technical guidance on myLeister app configuration, LQS report setup, and welding recipe programming for specific membrane material types. As a manufacturer-authorised technical partner, iBuild ensures the UNIROOF 700 is correctly commissioned and configured for the quality documentation requirements of each roofing project from the point of first installation.
For roofing contractors and waterproofing specialists across Oman and the GCC operating at the quality-documented tier of the flat roofing market – where GPS-tagged LQS weld records, myLeister app reporting, RAL quality mark compliance, and Monitored Welding Assistant reliability are the equipment standards that client and warranty requirements specify – iBuild is the authorised local source for the Leister UNIROOF 700.
Technical Data
| Article Number | 165.834 |
| Voltage | 230 V |
| Frequency | 50/60 Hz |
| Power | 3680 W |
| Speed | 1 – 10 m/min |
| Temperature Range | 100 – 620 °C |
| Air Volume Adjustable | Yes |
| Welding Nozzle / Seam Width | 40 mm |
| Welding Materials | Bitumen; ECB; EPDM; EVA; FPO; PIB; PVC; TPE; TPO; TPU |
| LQS Data Recording | Yes |
| Brushless Blower Motor | Yes |
| RAL Quality Mark | Yes (RAL-GZ 717) |
| Length | 475 mm |
| Width | 244 mm |
| Height | 260 mm |
| Weight | 17 kg |
| Power Cable Length | 3 m |
| Plug | EU, 3 poles, 16A |
| Approvals | CB Certification; CE |
| Protection Class | I |
| Country of Origin | Switzerland |

Like this product?
Speak to an Expert!
08:00 AM - 08:00 PM











































