MASC - Seam-opening pliers, 80mm

✔ Protective of materials: Open double-lock seams in a controlled manner without deforming the sheet metal
✔ 80 mm working width: ideal for clean, even opening in a single pass
✔ Professional use: perfect for repairs, maintenance, and finishing work on standing seams
✔ Safe & precise: step-by-step working reduces the effort required and prevents defects
✔ For roofs & façades: highly effective for metal roofing, façade cladding, and flat-roof details

MASC 80 mm Seam Opening Pliers - Open Double-Lock Seams Cleanly Like a Professional

When working on existing standing-seam roofs, one thing matters above all: control. The MASC 80 mm seam opening pliers are specialized roofer's tools and sheet metalworker's tools that let you open double-lock seams without damaging the material - exactly where repairs, maintenance, or adjustments are needed. As durable pliers for everyday professional use, they belong in every well-stocked roofer's supplies and sheet metalworker's supplies.

Who are these seam opening pliers designed for?

Whether you are working on a standing seam, improving transitions, or need to loosen sheet metal for replacement: these pliers are your reliable helper - even for connections to flat-roof structures or components of façade cladding. Combined with a suitable seamer, you have full control over opening the seam and then closing it cleanly.

Usage: How to use the MASC seam opening pliers for professional applications

• Choose the starting point: Inspect the seam and initially position the pliers using half their width.
• Open in a controlled manner: Open the double-lock seam step by step with even pressure, without kinking the edges.
• Continue across the full width: Then continue opening across the entire 80 mm width - for a clean result and minimal stress on the material.
• Finishing / reshaping: After repairs or adjustments, you can close the seam again - ideally with a suitable seamer.

Important technical details at a glance

• Working width: 80 mm
• Application: Double-lock seams / standing seams on metal roofs
• Operation: Step-by-step opening that protects the material
• Advantage: precise guidance, reduced effort, clean seam edge
• Purpose: ideal for repair, maintenance, and adjustment work

Get yours now from the Roofer's Shop

Want a tool that works reliably and saves time on the job site? Then get the MASC 80 mm seam opening pliers from the Roofer's Shop at your Roof specialist Roofify - for professional roofer's and sheet metalworker's supplies that meet the highest standards.