+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 Terrazzos - Terrazzo Polishing Pads

  • For wet polishing epoxy and portland-based terrazzo and stone
  • Used as first cut tool on new, unsealed concrete
  • Use as closing step & first step of restoration
  • Specialized matrix for aggressive cut with fine scratch pattern
  • Cloth tab makes it extremely easy to remove the tool from the velcro holder

STI Terrazzo Plus - Terrazzo Polishing Pads

  • Updated version of the old style "STI Terrazzos"
  • 70% more diamond and abrasives than the standard STI Terrazzos — 37 grams extra to be exact!
  • Unique “Marking Interlayer” — changes the color of the slurry as pad is being consumed and lets operator know that pad needs to be changed
  • Cloth Tab — makes it extremely easy to remove the tool from the velcro holder

STI Terrazzo-M Pads - Terrazzo Polishing

  • Same great performance as STI's famous "Terrazzos" pads
  • Same price of the cheaper "knock-off" brand, but has STI quality!
  • Use as first cut or scratch remover

E/Z Clean - Terrazzo & Marble Floor Cleaner

  • Neutral, non-detergent cleaner for use on terrazzo and marble floors
  • Enhances color and luster with regular use
  • 2 oz. per gallon of water for most applications
  • 1 gallon of E/Z Clean = 64 gallons of cleaner solution

E/Z Polish - Terrazzo, Marble, & Stone Floor Polishing Compound

  • Ready-mixed polishing paste for marble, limestone, and terrazzo floors
  • Easy-to-use, non-etching, in non-noxious odor
  • Easy clean-up
  • Available in 10 lb. and 25 lb. containers

E/Z Seal - Concrete, Terrazzo, and Marble Floor Sealer

  • Use on Concrete, Terrazzo, and Marble floors
  • Protects against water and oil
  • Coverage ranges from 750-1250 SF (70-116 m2) per gallon on polished surface
  • Easy clean-up

E/Z Seal Plus - Concrete, Terrazzo, and Marble Floor Sealer

  • Same benefits as E/Z Seal — PLUS a color enhancer!
  • Use on Concrete, Terrazzo, and Marble floors
  • Protects against water and oil
  • Coverage ranges from 750-1250 SF (70-116 m2) per gallon on polished surface
  • Easy clean-up

MG2 Diamond System - Marble & Terrazzo Polishing

  • For marble or terrazzo polishing
  • Use wet only
  • Available sizes: 17-inch and 21-inch diameters (steps #1-#8)
  • Fits most mono-rotational machines
  • Color: purple

EG Grout Pans - Fills Pinholes in Terrazzo & Concrete Floors

  • Mechanically fills up to 95% of pinholes in terrazzo and concrete floors
  • Creates a better shine and longer lasting durability
  • Available hardnesses: Regular and Extra Hard "XH"
  • Lasts over 10,000 SF / 929 M2 (if following recommendations)

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

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