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shop@flatroofingsystems.co.ukLeister 40mm Wide Slot Welding Nozzle - Standard and Angled
Manufacturer/Brand: Leister
SKU:GEM40MM
In stock
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Leister 40mm Wide Slot Welding Nozzle – Standard & Angled Push-fit (107.132).
The Leister 40mm Wide Slot Welding Nozzle (107.132) is a professional-grade, precision-engineered accessory designed for use with Leister TRIAC AT, TRIAC ST, TRIAC S and TRIAC PID hot air welders. Manufactured from high-quality stainless steel, this push-fit nozzle provides consistent heat distribution for clean, reliable overlap welding across a range of roofing and industrial applications.
Choose from the standard 40mm straight nozzle or the angled version for improved reach when working on tight corners, parapet edges, or detailed textile repairs. Both variants deliver strong, uniform welds, ideal for roofing membranes, civil engineering geomembranes, technical textiles and industrial fabrics.
Common applications include:
- Roofing membrane welding and detail work.
- Civil engineering / geomembrane seaming.
- Industrial textiles: tarpaulins, tents, blinds & marquees.
- Production line tacking in process heating.
- Repairs on truck curtains, awnings & covers.
Key Features:
- Available in standard straight or angled 40mm version.
- Push-fit design compatible with Leister TRIAC AT/ST/S/PID.
- Manufactured from durable, high-quality stainless steel.
- Delivers precise and consistent overlap welding.
- Suitable for roofing, geomembranes and textile applications.
- Genuine Leister original accessory.

Additional Information for Leister 40mm Wide Slot Welding Nozzle - Standard and Angled
Technical Information
Delivery Information
Delivery Information
Our Roofing Tools are delivered to all Mainland UK postcode regions on a 2 to 5 working days basis. Scottish highlands and UK Islands can take a little longer.
Please be aware that your order may arrive in multiple deliveries and not necessarily all at once. Each part of your order may be delivered separately.
We strongly recommend refraining from booking, scheduling, or commencing any works until you've received your complete materials order. Your satisfaction and seamless project execution are our top priorities.