Welwyn Tool Group Ltd

At Welwyn Tool Group, we specialise in supplying hot air tools and plastic welding tools for a wide spectrum of applications. Industrial air tools are also available for specific projects and applications in several industries. With our air tool finder, you can select from our excellent stock an ideal tool for your requirements.

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  1. Leister Triac St (110V)

    Leister Triac St (110V)
    The LEISTER TRIAC ST is the leading industry hand tool for welding roof membrane and single ply. As the successor to the TRIAC S the TRIAC ST is from the the original Swiss stable of hot air welding guns and ensures high quality and reliable results every time.
  2. Leister Triac-St Basic Roofing Kit (120V)

    Leister Triac-St Basic Roofing Kit (120V)
    Used in multiple applications the Leister Triac-ST will enable you to weld all types of single ply roof membrane where overlap welding is required at the industry standards of either 30mm or 40mm. The Leister Triac-ST Basic Roofing Kit includes all the necessary accessories to be able to weld roof membranes in the most cost effective way. Fundamentally based on the TRIAC-ST the kit includes the hot air tool of choice for professionals worldwide.
  3. Leister Triac-St Floor Welding Kit (120V)

    Leister Triac-St Floor Welding Kit (120V)
    Used in multiple applications the Leister TRIAC-ST will enable you to weld vinyl & safety flooring with a professional finish. The Leister TRIAC-ST Flooring Kit includes all the necessary accessories to be able to weld floor vinyls in the most cost effective way. Fundamentally based on the TRIAC-ST the kit includes the hot air tool of choice for trades professionals worldwide.
  4. Leister Triac-St Floor Welding Kit (230V)

    Leister Triac-St Floor Welding Kit (230V)
    Used in multiple applications the Leister TRIAC-ST will enable you to weld vinyl & safety flooring with a professional finish. The Leister TRIAC-ST Flooring Kit includes all the necessary accessories to be able to weld floor vinyls in the most cost effective way. Fundamentally based on the TRIAC-ST the kit includes the hot air tool of choice for trades professionals worldwide.
  5. Leister Triac-St Full Roofing Kit (120V)

    Leister Triac-St Full Roofing Kit (120V)
    Used in multiple applications the Leister TRIAC-ST will enable you to weld all types of single ply roof membrane where overlap welding is required at the industry standards of either 30mm or 40mm. The Leister TRIAC-ST Basic Roofing Kit includes all the necessary accessories to be able to weld roof membranes in the most cost effective way. Fundamentally based on the TRIAC-ST the kit includes the hot air tool of choice for professionals worldwide.
  6. Leister Triac-St Plastic Welding Kit (110V)

    Leister Triac-St Plastic Welding Kit (110V)
    Used in multiple plastic welding applications the Leister Triac-ST will enable you to weld plastic of all types such as HDPE, PP, ABS, PVC and enables welding of plastics and many more applications where hot air is required for joining plastic. The Leister Triac-ST is the hot air tool of choice for professionals worldwide and is available as a complete plastic welding kit.
  7. Leister Triac-St Plastic Welding Kit (230V)

    Leister Triac-St Plastic Welding Kit (230V)
    Used in multiple plastic welding applications the Leister Triac-ST will enable you to weld plastic of all types such as HDPE, PP, ABS, PVC and enables welding of plastics and many more applications where hot air is required for joining plastic. The Leister Triac-ST is the hot air tool of choice for professionals worldwide and is available as a complete plastic welding kit.
  8. Leister Twinny S

    Leister Twinny S
    This lightweight automatic machine is optimised for overhead welding for use on thin materials particularly in civil engineering and tunnel construction. There is a choice between combi-wedges with or without a test channel.
  9. Leister Twinny T (& Usb Version)

    Leister Twinny T (& Usb Version)
    Compact, Light and Powerful automatic hot air combi-wedge welding machine used for welding membranes.
  10. Leister Unifloor E

    Leister Unifloor E
    With the UNIFLOOR E vinyl and safety flooring can be welded consistently; floor coverings made of PVC-P, PE, linoleum and modified thermoplastics can be welded at up to 7.5 metres/min.