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Sealed tight, every time

Sealed tight, every time
August 8, 2025 at 12:00 p.m.

By Silke Landtwing, Leister. 

The right tools can mean the difference between a leakproof roof and a costly mistake. 

When it comes to welding waterproof membranes, whether you're dealing with flat expanses or steep slopes, precision is key. But achieving a watertight seal isn't just about skill; it's about having the right tools in your hands. That’s where Leister comes in. From intelligent hot air blowers to industry-grade accessories, Leister has the gear that pros trust when the stakes are sky high. Here's why it matters and what you need to know before your next job. 

If you have read the expertise on waterproofing flat roofs, you know what is important. For example, the correct welding parameters are required. Keyword: Welding triangle. The extended welding triangle is also important. And test welds... because you can only define the right parameters directly on the roof by conducting test welds. But all this knowledge is useless if you don't have the right welding machines and hot air blowers, suitable accessories (e.g. nozzles) and high-quality extension cables. 

Everything for the roof in one brochure - Free to download

In the brochure you will find the right welding machines with Leister Quality System (LQS), power management, Monitored Welding Assistant, welding profiles, handy hot air blowers, and the right accessories. The cable reel too, of course. 

Download brochure now 

Download the brochure now, order the right welding equipment and off you go to the next roof. We wish you every success. And if you need our support, we are there for you anywhere in the world.  

Original article and photo source: Leister

Learn more about Leister in their Coffee Shop Directory or visit www.leister.com.


About Leister

Originally founded in 1949 by Karl Leister in Solingen, Germany, Leister develops products for plastic welding and industrial hot-air applications. For over 70 years, their high-quality premium products have led them to become a leader in their market. With customers, sales partners and suppliers in over 100 countries worldwide, the Leister team works to provide sales and service support to ensure mutual success. Whether you're welding PVC, TPO or modified bitumen membranes, the performance and reliability of Leister products makes them the preferred choice of professional roofing contractors worldwide. Learn more about Leister at www.leister.com/en.


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