Leister Civil Engineering Equipment

Click above to download Leister's Civil Engineering product cataglogFor tunnel construction, plastic pipe welding, and pond and landfill liners, IHS offers Leister’s full line of civil engineering hot-air tools, including its automatic welders—COMET and TWINNY S—and hand extruders—WELDPLAST S2 and FUSION 3.

Click here to download the full Civil Engineering Tool Brochure, or on any of the products below to find descriptions, uses, resources, part diagrams, accessories and more. If you’re having problems your Leister civil engineering equipment, contact our authorized Leister service center.  

EXAMO 600 F

EXAMO 600 F

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Ideal for determining whether a weld seam can withstand specific peeling, tensile and shearing forces while at the job site.

WELDMAX

WELDMAX

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The smallest Leister hand extruder, the WELDMAX is designed for use on PE, PP, PVDF and PA membranes and is ideal for process-equipment manufacturers.

FUSION 3C

FUSION 3C

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The FUSION 3C is similar to the FUSION 3, but with a shorter more vertical design. It is designed for PP and PE membranes. 7.7 lbs./hr. output volume.

FUSION 3

FUSION 3

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The FUSION 3 is a long and lean hand extruder designed for welding PP and PE in low and high, hard-to-reach areas. 7.7 lbs./hr. output volume.

WELDPLAST S6

WELDPLAST S6

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The first digitally regulated hand extruder, the WELDPLAST S6 offers a maintenance-free motor and is ideal for PE and PP membranes. 8.8 lbs./hr. output volume. 

WELDPLAST S4

WELDPLAST S4

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Digitally regulated, the WELDPLAST S4 offers a maintenance-free motor and is ideal for PE and PP membranes. 8.8 lbs./hr. output volume. 

TRIAC S

TRIAC S

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Leister’s most popular hot-air hand tool, the TRIAC S is reliable, powerful and cost effective. Its versatility makes it ideal for all types of plastic welding applications.

EXAMO 300 F

EXAMO 300 F

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Ideal for determining whether a weld seam can withstand specific peeling, tensile and shearing forces while at the job site.

TRIAC PID

TRIAC PID

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The TRIAC PID offers the same features as the TRIAC S with the added benefit of a digital display that shows both set and actual hot-air temperatures. 

TWINNY S

TWINNY S

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The TWINNY S is lighter version of the TWINNY T, optimized for overhead welding of thin materials used in civil engineering or tunnel construction.

TWINNY T

TWINNY T

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The TWINNY T is a combiwedge welder ideal for joining thin materials used in civil engineering and tunnel construction.

TWINMAT

TWINMAT

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This combiwedge welding machine is powerful—ideal for civil engineering applications that require joining HD-PE materials up to 5 mm thick. 

COMET

COMET

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Light and compact, this hot-wedge welder is built to satisfy the demands and durability required for civil engineering applications, such as landfill sites, mines and tunnels.

ASTRO

ASTRO

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Built for civil engineering applications, the ASTRO is a hot-wedge welder that can reach welding speeds up to 16 ft/min.

TRIAC Drive

TRIAC Drive

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The semi-automatic TRIAC Drive’s lightweight, compact build makes it perfect for detailed seam welds. It works on all degrees of roof slope, including vertical surfaces.