Everhard MM21110 - Stand Up Roofing Membrane Slitter

Designed to make membrane cutting more ergonomic and efficient, the MM21110 allows you to cut both straight and curved lines while standing—no kneeling required.

Key Features

• Best for installers handling large membrane rolls where kneeling is physically demanding.
• Ideal during long days of cutting TPO or PVC seams across commercial and industrial roofs.
• Excellent when pursuing professional finish lines—particularly for curved or scribed seams.
• Work while standing – At approximately 32″ tall with 4″‑diameter wheels, this slitter enables you to cut TPO and PVC roofing membranes upright, reducing strain on your knees and back .
• Precision cuts – Designed for both straight and curved cutting. Its yellow pointer helps you easily follow scribed lines for accuracy .
• Safety-first build – A unique design prevents punctures and protects underlying surfaces beneath the membrane .

Height & Setup:

• Stands approximately 32″ high, ideal for comfortable operation at waist level
• Mounted on 4″ diameter × 1″ wide wheels, which provide stability and smooth rolling across membrane surfaces
  

Blade System:

• Uses a removable slitter cartridge compatible with standard utility blades (3-hole or standard)
• This housing is engineered to prevent puncturing the deck underneath while slicing through TPO, PVC, or other membranes
  

Guidance Features:

• Integrated yellow pointer guide helps you follow scribed cutting lines accurately
• The cartridge design and wheel placement enhance tracking control for both straight and curved cuts
  

Material & Weight:

• Approximate weight: 7 lb (3.18 kg), built for on-the-go durability
• Made in the USA, per Everhard’s standard for professional roofing equipment

• Grasp the handle and push or pull the slitter along your intended cut path over the membrane.
• Keep the yellow pointer aligned with your scribed cutting line as you move forward.
• Let the wheels guide the slitter steadily to maintain a clean straight or curved cut.
• When cutting curves, gradually steer the slitter along the desired arc while maintaining consistent pressure.
• At the end of the cut, slow down to avoid overshooting or tearing the membrane.
• Remove the slitter cartridge to change or rotate the utility blade when it becomes dull.
• Clean the wheels, cartridge, and housing of debris, then store the slitter upright in a dry area.

Q: What does the MM21110 do?
A: It’s a stand-up slitter for trimming single-ply roofing membranes (e.g., TPO, PVC, and others). The waist-high design lets you make long, straight runs comfortably and efficiently.

Q: Which blades does it use and how are they changed?
A: The removable slitter cartridge is compatible with standard utility blades and industry-standard 3-hole slitter blades. Swap or rotate blades in seconds for fresh edges.

Q: How does it help accuracy and protect the deck?
A: An integrated yellow pointer guides you along scribed lines, while the wheel placement and cartridge design improve tracking for straight or curved cuts and help prevent puncturing the deck below.

Q: What are the size and weight?
A: The tool stands about 32" high, rides on 4" diameter × 1" wide wheels, weighs roughly 7 lb (3.18 kg), and is made in the USA.