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SKU: SKU:LSW20/20
✔ DIN-compliant precision – MASC standard long-slot roller made to German industrial standards for precise ventilation slots
✔ Universal accessory – Compatible with almost all commercially available hand- or motor-driven beading machines
✔ Efficient work without marking out – Uniform, evenly deep punches without time-consuming measuring
✔ Automatic feed – The sheet metal advances automatically as you turn the machine shaft
✔ Flexible application – Create multiple rows of slots (staggered or parallel) on gravel stop profiles, chimneys, and ventilation panels
The MASC long-slot roller is an indispensable tool for beading machines, enabling sheet metal workers, roofers, and other tradespeople to efficiently produce precise ventilation and drainage openings. Whether for rear ventilation on chimney cladding, gravel stop profiles on flat roofs, or air intake and exhaust panels, this pair of rollers guarantees perfectly punched rows of slots at uniform intervals.
Installed as an accessory on your existing beading machine, the automatic material feed as you turn the crank eliminates the need for time-consuming measuring and marking beforehand.
No, the MASC long-slot roller is a tool attachment (pair of rollers) that is mounted on an existing hand- or motor-driven beading machine.
The MASC long-slot roller is manufactured to German Industrial Standards and produces precise ventilation slots in a single pass. The automatic material feed as you turn the crank eliminates the need to mark out the sheet beforehand, saving time especially in production runs.
Yes, the roller processes aluminum up to 1.0 mm thick and copper and zinc sheet up to 0.8 mm thick. The maximum sheet thickness is 0.6 mm for steel and 0.5 mm for stainless steel (V2A).
The roller is designed for hand- and motor-driven beading machines and fits almost all commercially available models. It is available in sizes 20/20, 20/25, 24/32, and 25/32 mm (roller mount/shaft length).
The roller is used primarily to create rear ventilation slots in chimney cladding and drainage and ventilation openings in gravel stop profiles for balconies and flat roofs. Since slots can be arranged in multiple rows, staggered or parallel, it is also suitable for custom air intake and exhaust patterns in sheet metal strips.
The design allows you to create multiple rows of slots, arranged either staggered or parallel. This is useful for larger sheet metal strips used in air intake and exhaust applications in production runs.
The main advantage of these rollers is the significant time savings while maintaining consistently high manufacturing quality. Instead of laboriously punching or cutting ventilation slots one at a time, simply feed the sheet metal through the beading machine. The result is flawless, professional slots for every flat roof and chimney project.
Upgrade your beading machine to a professional standard. Order the MASC long-slot roller in the right size for you now from the roofer shop at your Roof specialist Roofify!
Can't find the product you're looking for? Contact us - we'll make it happen. 📧 sales@roofify.de

Super danke
Sehr geiles Teil! Wir haben schon den Vorgänger ohne Handschutz. Da ist es aber doch öfter passiert, dass man abrutscht und sich in die Hand schneidet.