1384 Bungalow Rd.
Morris, Illinois, U.S.A.
Substrate Technology manufactures Prep/Master® concrete floor grinders and supplies professional grinding machines for surface preparation, coating removal, and concrete polishing.
Contractors rely on us for durable equipment, expert guidance, and long‑term service support.
- Request a Quote
- Compare Concrete Floor Grinders
How to Choose the Right Concrete Floor Grinder
Choosing the right concrete floor grinder depends on the size of the area, the type of material being removed, and the finish you want to achieve.
Key factors to consider:
- Square footage and production rate requirements
- Planetary vs rotary‑head grinding systems
- Electric vs propane power
- Applications such as epoxy removal, surface profiling, or polished concrete
If you’re unsure which grinder is right for your job, our team helps contractors compare models based on real‑world performance—not marketing specs.
Prep/Master® Concrete Floor Grinders (Manufactured by Substrate Technology)
Prep/Master® grinders are engineered and manufactured by Substrate Technology as complete grinding systems—designed to increase productivity while reducing labor and downtime.
Manufacturing advantages:
- Designed for industrial and commercial use
- Factory support, parts, and service
- Built to integrate with our diamond tooling systems
Prep Master Jr
Rotary Propane concrete floor grinder for small residential or commercial jobs.
Prep Master Sr
Rotary Propane concrete floor grinder for small-to-mid residential or commercial jobs.
Prep Master 2807
Rotary Propane concrete floor grinder for mid‑to‑large commercial jobs.
Prep Master 2420
Rotary concrete floor grinder for mid‑to‑large commercial jobs.
Prep Master 2418
Rotary Propane concrete floor grinder for mid‑to‑large commercial jobs.
Prep Master 3030
Rotary Propane concrete floor grinder for mid‑to‑large commercial jobs.
Prep Master 4430
Rotary Propane concrete floor grinder for large commercial jobs.
Additional Professional Concrete Floor Grinders We Supply
In addition to manufacturing Prep/Master® grinders, Substrate Technology also supplies select concrete floor grinding machines from trusted partners.
This allows contractors to choose the best equipment for specialized applications or tight job site conditions.
Concrete Floor Grinder Applications
Concrete floor grinders are used across many surface preparation and restoration applications:
- Epoxy and coating removal
- Concrete polishing
- Surface leveling and profiling
- Terrazzo and stone restoration
Why Buy Concrete Floor Grinders from Substrate Technology
- Manufacturer and distributor expertise
- U.S.-based service, training, and support
- Long‑term parts availability
- Real contractor education—not just equipment sales
Concrete Floor Grinder FAQs
What size concrete floor grinder do I need?
That depends on square footage, slab condition, and desired finish. Larger planetary grinders offer higher production rates for commercial projects.
What’s the difference between planetary and rotary‑head grinders?
Planetary grinders provide smoother finishes and better weight distribution, while rotary‑head grinders are often used for aggressive removal.
Can concrete floor grinders remove epoxy or adhesives?
Yes—when paired with the correct diamond tooling or PCD segments.