+1 (815) 941-4800
+1 (815) 941-4600 (fax)

1384 Bungalow Rd.
Morris IL 60450 U.S.A.

Substrate Technology, Inc.

Substrate Technology, Inc.

Prep/Master® Grinders, Dust Collectors, and Diamond Systems

STI's motto - "It's a System, Not a Machine" - means that we don't just manufacture machine and diamond products - but instead, we offer a COMPLETE Polishing System with proven results! From prep to polish — for surface prep, polished concrete, terrazzo, marble, and stone flooring — STI offers superior machines and diamond systems that work hand-in-hand with each other to give you the best possible finish.

Through two decades of product research & development, as well as loads of experience on the job, the P/M line of products was born. Every customer of STI's knows that we only manufacture high quality products that meet our high strict standards. You will only find grinders and diamond systems that are truly the best in the industry and will give your clients the floor they are asking for!

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STI PM200 Edger - 8-inch Grinding Machine

  • Working width: 8 in. (20 cm)
  • 4HP, 220V/1-Phase, 50/60Hz
  • Removable shroud on side of edger allows for grinding and polishing right up to an edge
  • Adjustable chassis places edging side for right or left cutting


Prep/Master 4430-RC Grinding Machine Copy

  • 44-inch working width
  • Available in 240V 3 Phase or 480V
  • Hand-held Remote Control console with built-in "S-curve motion" which works as the machine travels both forward and backward
  • 180-degree hair-pin turn capability
  • LED Headlights to illuminate dark areas
  • Detachable front wheel for easy transportation

Vacuum Wand, Brush, & Adapters

  • 45″ x 2″ Single Bend Wand – Chrome Body
  • 20" Brush
  • Various adapters and reducers for 2" and 3" hoses

Vacuum Hoses - Various Sizes

  • For use with dust collectors and wands
  • Available in 2-, 3-, 5-, and 6-inch diameters
  • 2- & 3-in. hoses sold in 25-ft increments
  • 5- & 6-in. hoses sold in 50-ft lengths only

SPIN-1 Concrete Polishing Pads

  • Exceptionally great for maintaining polished concrete
  • Natural hair pad infused with diamonds
  • Pad life is in excess of 20,000 SF (2,000 M2)
  • Available in 21" & 27" sizes to fit most propane burnishers
  • Can be run wet or dry
  • For use on concrete floors only!

EG Prep Tools for Removal

  • Fast cutting metal bond tools used to remove epoxy, adhesive, & thin-set
  • Great price—variety of styles and grits
  • Not recommended when polishing is provided
  • Color coded for easy identification
  • EG "Quick Change" attachment

FL-07 Diamond Pads - Concrete Polishing

  • 5-step concrete polishing process
  • 3-inch, resin-bond diamonds
  • Specially formulated for concrete — ground with metal bond diamonds for the absolute best finish
  • Fantastic life of 10,000 SF (1,000 M2)
  • Works on Prep/Master®, Planetary Machines, Terrco® Machines, EDCO®, Swing Machines, and Werkmaster®

FL-07 Ring-Type Diamond Pads - Concrete Polishing

  • 5-step ring-type concrete polishing process
  • Specially formulated for concrete — ground with metal bond diamonds for the absolute best finish
  • Dry use only
  • Works on hand grinders
  • Available in various diameters: 4.75-in., 5-in., & 5.75-in.

STI 7-inch Full Face Polishing Pads

  • 7-inch diameter resin-bond pads
  • For use with any variable speed 7-inch hand grinder
  • Works wet or dry
  • Available in various grits

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