The UNIROOF AT/ST automatic welder is your flexible partner for welding thermoplastic roof membranes on flat or pitched roofs (up to 30°). Thanks to its ultra slim design and movable transport axle, users now can effortlessly weld close to the edge (to 100 mm/4 inches) and at, or on, the parapet, without having to modify their machine. Additionally, this design permits navigating in narrow spaces and welding beneath and around obstacles.