Updated: July 23, 2025

Interlock pavers have become a popular choice for driveways, patios, walkways, and other outdoor surfaces due to their durability, aesthetic appeal, and ease of installation. These pavers come in various shapes, sizes, and colors, allowing for creative designs that enhance any landscape. However, to achieve a professional-looking finish and precise fit, cutting interlock pavers is often necessary. Whether you’re fitting pavers around curves, edges, or obstacles, knowing how to cut them correctly is essential.

In this comprehensive step-by-step guide, we will walk you through the tools, techniques, safety measures, and tips to effectively cut interlock pavers with confidence.


Understanding Interlock Pavers

Before diving into cutting techniques, it’s important to understand what interlock pavers are made of. Typically, these pavers are made from concrete or clay and have interlocking edges or shapes designed to fit snugly together without mortar. Their interlocking mechanism provides structural stability as well as an attractive pattern.

Because of their solid composition, cutting interlock pavers requires durable tools and proper technique to ensure clean cuts without damaging the material.


Essential Tools and Materials

To cut interlock pavers efficiently and safely, gather the following tools:

  • Measuring Tape: For accurate measurements before cutting.
  • Chalk or Pencil: To mark cutting lines on the paver.
  • Straight Edge or Carpenter’s Square: To assist with straight lines.
  • Safety Gear: Include safety goggles, gloves, ear protection, and a dust mask to protect against concrete dust and flying debris.
  • Paver Cutter (Manual): A specialized hand tool designed for scoring and snapping small cuts.
  • Angle Grinder with Diamond Blade: Ideal for precision cuts and curves.
  • Wet Saw (if available): Provides clean cuts by using water to cool the blade and reduce dust.
  • Hammer and Masonry Chisel: For small trimming or breaking pieces after scoring.

Step 1: Planning and Measuring

Careful planning is crucial before cutting any paver. Follow these steps:

  1. Layout Your Design: Arrange your interlock pavers in the desired pattern on the surface.
  2. Mark Cut Lines: Identify where cuts are necessary — usually along edges or around obstruction points such as posts or doorways.
  3. Measure Twice: Use your measuring tape to ascertain exact dimensions of the space needing a cut paver.
  4. Mark Precisely: With chalk or pencil, mark the exact cutting lines on each paver using a straight edge or square for accuracy.

Tip: Keeping your measurements accurate reduces waste and ensures a neat finish.


Step 2: Choosing the Right Cutting Method

There are several methods to cut interlock pavers depending on the type of cut needed (straight vs curved), the number of cuts, availability of tools, and your comfort level.

Manual Paver Cutter

Best suited for straight cuts on standard-sized concrete pavers. This tool scores one side then snaps the piece off cleanly.

Angle Grinder with Diamond Blade

Versatile for both straight cuts and curves. It requires caution but allows detailed shapes and fine adjustments.

Wet Saw

Offers the cleanest cuts by reducing dust through water cooling. Ideal if you have multiple cuts or thicker pavers but less portable.

Hammer and Chisel

Useful for small trimming jobs after scoring but not suitable for primary cuts.


Step 3: Safety First

Cutting concrete can generate a lot of dust and flying debris. Always wear:

  • Safety goggles to protect eyes.
  • Gloves to safeguard hands from sharp edges.
  • Ear protection if using power tools like grinders or saws.
  • Dust mask or respirator especially when dry cutting concrete materials.

Work in a well-ventilated outdoor area if possible.


Step 4: Scoring the Paver (if Using Manual Cutter)

If using a manual paver cutter or preparing for breaking:

  1. Place the paver flat on a stable surface.
  2. Align the scoring blade along your marked line.
  3. Apply firm pressure while dragging the blade across the surface repeatedly to create a deep score line.
  4. Position the breaker arm aligned with the score line then press down firmly to snap the piece away.

This method works best on thinner concrete interlocks; very thick ones may require power tools.


Step 5: Cutting with an Angle Grinder

For curved or precision cuts:

  1. Fit your angle grinder with a diamond-tipped masonry blade.
  2. Securely clamp down the paver to prevent movement while cutting.
  3. Put on all safety gear before powering up.
  4. Start by making a shallow pass along your marked line — just enough to create a groove.
  5. Gradually deepen your cut by making multiple passes rather than forcing through in one go.
  6. Maintain steady speed and avoid twisting the grinder blade at awkward angles which can cause chipping.
  7. For curves, move slowly following marked contours carefully.

Step 6: Using a Wet Saw

If you have access:

  1. Fill reservoir with water according to manufacturer instructions.
  2. Turn on wet saw; wait until water flow stabilizes on blade.
  3. Slowly feed the marked paver into the blade ensuring consistent pressure.
  4. The water coolant keeps blade from overheating and reduces dust significantly.
  5. Make multiple passes if needed for deeper cuts.

Step 7: Finishing Edges

After cutting:

  • Inspect edges for roughness or chips.
  • Use a masonry file or rubbing stone to smooth sharp edges if necessary.
  • Clean off dust from cut surfaces before laying them down.

Tips for Best Results

  • Always cut slightly outside your marked line — you can chip away excess easier than adding material back.
  • Test your cutting method on scrap pavers first until comfortable with it.
  • Keep blades sharp; dull blades increase chipping risk.
  • Work slowly with power tools; rushing leads to mistakes or accidents.
  • Plan your layout so fewer cuts are necessary where possible.

Common Mistakes to Avoid

  1. Ignoring Safety Gear: Protect yourself consistently—dust inhalation can be dangerous long term.
  2. Cutting Without Measuring Properly: Leads to wasted materials or ill-fitting installations.
  3. Using Wrong Blade Type: Always use diamond blades suited for masonry/concrete work rather than metal-cutting types.
  4. Forcing Cuts: Let tools do their job instead of forcing pressure which breaks pieces unevenly.

Conclusion

Cutting interlock pavers is an essential skill that helps you achieve professional results in any paving project involving complex layouts or tricky spaces. By following this step-by-step guide — starting from proper measurement through choosing suitable tools and safety precautions — you can confidently make precise cuts that fit perfectly within your design.

Remember that practice makes perfect; begin with small test pieces if you’re new to cutting concrete materials. With patience and care, you’ll enhance both functionality and aesthetics in your outdoor paving projects without unnecessary waste or frustration.

Happy paving!