Planetary Concrete Floor Grinding Machines
Planetary Concrete Floor Grinders for Sale
These planetary concrete floor grinders use counter-rotating heads for fast, even, scratch-free results on concrete, terrazzo, and stone — ideal for polishing and covering large areas efficiently. Substrate Technology supplies them alongside our American-made Prep/Master line so you can match the right machine to the job.
Electric and propane planetary grinders
- L19S7 and L20S7 electric grinders — compact and easy to transport for everyday surface prep and polishing.
- L25S7 electric grinder — more weight and power for tougher, larger jobs.
- L20GS7 and L30GS7 propane grinders — cordless power for large areas or sites without easy electrical access.
Looking for our Prep/Master grinders?
Substrate Technology manufactures the Prep/Master line of concrete floor grinders, from the compact Prep/Master Jr. up to 44-inch machines for warehouses.
Not sure which grinder you need?
Read our guide on how to choose a concrete grinder or call and reach a real expert who'll match a machine and tooling to your project. Every grinder pairs with STI diamond tooling and a Prep/Master dust collector for a clean, OSHA-compliant, prep-to-polish system.
Get a quote
Call +1 (815) 941-4800 ext. 1 or request a quote, and we'll recommend the right planetary grinder for your next job.
