At Rock Busters, we’re all about helping you get the job done right. If you’re using Rock-X expanding demolition grout for rock removal, you already know how powerful and efficient it is—but proper execution is key to maximizing its effectiveness.
We frequently get questions from clients looking for detailed documentation and best practices for using Rock-X, so we’ve put together this guide to ensure your team can operate safely and effectively every time.
Understanding Rock-X Expanding Grout
Rock-X is a non-explosive demolition agent designed for breaking large boulders, reinforced concrete, and other tough materials. It works by gradually expanding once mixed with water and applied to pre-drilled holes, generating enough force to crack rock formations without noise, vibrations, or flying debris. This makes it a great solution for controlled demolition in industrial, commercial, and residential projects.
Key Documentation & Resources
For optimal results, it’s essential to follow Rock-X’s guidelines carefully. Here are some critical resources you may wish to read up on:
✅ Rock-X Tips & Drill Patterns Quick Sheet – Covers product specifications, mixing ratios, expansion times, and application techniques.
✅ Safety Data Sheet (SDS) – Outlines proper handling, storage, and safety precautions to ensure a secure working environment.
✅ Expanding Grout Training Course – A detailed breakdown of the drilling, mixing, pouring, and curing process.
✅ ROCK X-XX ExpandingGrout Detailed Guide – Learn how to adjust for different rock densities, weather conditions, and drilling depths for the best results.
✅ Rock-X-XX Product Sheet – A brief summary of how to use.
✅ Expanding Demolition Grout – Worksheet – A workable book for calculating and planning your drill patterns.
If you need any of these documents, reach out to us, and we’ll send them your way. Or visit our documents page.
Best Practices for Using Rock-X
To ensure consistent performance and safety, here are some key tips:
🔹 Drill Correctly – Hole depth, spacing, and diameter matter. Follow the recommended drill pattern based on the rock type. Varys depends on technique and project, for typical splitting we recommend 12”- 16” apart. Grid pattern for larger rock faces.

🔹 Mix Precisely – Use clean, cold water and mix thoroughly to get the right consistency before pouring.
🔹 Temperature Considerations – Rock-X expands differently depending on the temperature. Warm conditions speed up the process, while colder environments slow it down. Adjust accordingly.
🔹 Monitor & Plan – Once applied, allow the grout time to expand and crack the rock naturally. Rushing the process can lead to incomplete breaks. Typical wait time is between 12-48 hours depending on temperature and type of grout used.
Other Helpful Guides:
Rock-X: The Versatile Expanding Grout for All Your Demolition Needs
The Complete Guide To Demolition Grout: Non-Explosive Rock Breaking Solutions
Let’s Get Your Execution Dialed In
If you’re planning to use Rock-X frequently, we’re here to support you with all the technical details, safety guidelines, and expert advice you need.
View our Documents page for the latest documentation or to discuss any project-specific questions or email us directly! We’re happy to help you master Rock-X, the most effective expanding demolition grout, and make every job a success!
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