Breaking boulders can be a challenging task if you don’t have the right tools for the job. At Rock Busters, we deal with rocks of all shapes and sizes, and the key to safe and efficient removal is using the proper equipment. In this guide, we’ll break down what tools work best for small, medium, and large boulders.

Small Boulders: Precision with Small Drills

For boulders that are relatively small—think about the size you could move with a few people or a small machine—a small drill is often the best starting point.

Recommended Tools:

• Rock Drill for creating precise holes.
• Safety Gear: Gloves, goggles, and ear protection.

How to Use:

• Drill small holes in strategic spots around the boulder.
• Apply pressure carefully to crack it along the drilled lines.
• Remove broken pieces with a pry bar or small lifting equipment.
• Small drills are ideal when you need control and accuracy without the risk of excessive damage to surrounding areas.

Medium Boulders: Efficiency with Medium Drills & Rock-X

Medium-sized boulders require a bit more power and technique. Here, medium drills combined with Rock-X expanding grout provide excellent results. Rock-X is a non-explosive solution that expands inside drilled holes, cracking boulders safely and quietly.

Recommended Tools:

• Pneumatic Drill: Can handle larger holes.
• Rock-X Expanding Grout: Expands to fracture the rock naturally.
• Chisels and Pry Bars: To help lift cracked sections.
• Safety Gear: Hard hat, gloves, goggles, and dust mask.

How to Use:

• Drill holes into the boulder according to Rock-X instructions.
• Pour Rock-X into the holes and let it expand.
• Within hours, the boulder will crack into manageable pieces for removal.
• This method is especially effective in residential or commercial areas where using explosives is not safe or permitted.

Large Boulders: Power with Royex

When it comes to large boulders, size and force matter. Royex is designed for heavy-duty rock breaking, providing the power needed to tackle massive stones that small or medium drills can’t handle.

Recommended Tools:

• Low-noise Royex explosives: Engineered for extreme rock-breaking tasks.
• Rock-X (Optional): Can still be used in combination for pre-cracking large boulders.
• Heavy Machinery: Skid steers, excavators, or cranes for moving broken sections.
• Full Safety Gear: Hard hat, steel-toed boots, gloves, hearing protection, and eye protection.

How to Use:

• Drill large holes into the boulder at strategic points.
• Use Royex low-noise explosives or wedges to crack the rock into manageable pieces.
• Remove sections with heavy machinery or manual labor, depending on size.
• Large boulders require professional expertise and careful planning, but with the right tools, even the toughest rocks can be safely broken and removed.

Tips From Rock Busters

Always assess the size and location of the boulder before choosing a method.

• Safety first: The bigger the boulder, the higher the risk—use proper protective gear and follow safety protocols.
• Combine techniques: Sometimes using Rock-X with drills before hydraulic splitting provides better results.
• Keep tools in good condition: Dull drill bits or malfunctioning equipment slow the job and increase risk.

Ready to Break Any Boulder?

Rock Busters has the experience, tools, and know-how to tackle boulders of any size—from small backyard stones to massive commercial rocks. Contact us today and let our team make tough boulder removal safe, efficient, and stress-free. Request a quote here.