Find the right machine for the job — from grinding and polishing to blasting, edging, and cutting. We're the makers of the Prep/Master® grinder and a full-line source for the surface prep machines that get concrete ready and finished. Whatever you run, we'll help you choose the right one and keep it running. Call and talk to a real surface-prep expert, not a call center.
Machines We Carry
Prep/Master® grinders — our own gear-to-gear concrete grinders and polishers, built to last
Different jobs need different machines — a planetary grinder for open floors, an edger for the perimeter, a shot blaster for fast profiling, a crack chaser for repairs. We carry the full range and help you match the machine to your work, your floor, and your crew.
Compact design and foldable frame, that can be also separated in two pieces for easy transportation and storage
Dust-proof planetary drive with low-friction rubber seal protects internal components from dust and moisture, which reduces maintenance and increases service life.
Three 9-inch grinding heads with right / clockwise rotation (use the black pcd and carbide scrapers).
Floating skirt with flexible brush for optimal dust containment.
Simple control panel.
Option to add weights – up to two 18.5lbs / 8kg weights (#L21.50.00.00)
Completely redesigned chain-driven planetary drive with no chain tensioner
New stronger timing belt
Upgraded shafts, seals and bearings
New lighter timing pulleys for better power transmission
New 2-piece aluminum main belt housing with belt inspection cover for longer belt life and less maintenance
Item # 303603030
Why Buy From Substrate Technology
We build the Prep/Master, supply the industry’s top brands, and service what we sell, nationwide — with a 1-year repair warranty and real experts on the phone. One source for your machines, tooling, and support.
