For Projects over 10,000 SF/ 929m2

STI-3030 (Electric Model)

Ideal for Polishing Projects over 10,000 SF/ 929 M2

Contractors Choose Prep/Master® for its Durability!


STI-3030 Surface Prep Video


STI-3030 Polished Concrete Video


Item Numbers

3030 220V/230V

Item #433030230
3030 380V/480V Item #433030480
3025 380V/480V Item #433025230
3025 380V/480V Item #433025480


Motor 30 HP - 3 phase | 22kW
Power Source
220/230 VAC 1 or 3 Phase 60 Hz
380/480 VAC 3 Phase 50-60Hz
Power Cord 30 ft./9M (6-4)
Vacuum Hose Connection
3 in./76mm x 25 ft./8m
Weight 1,320lbs. | 599kg
Tool RPM 300RPM to 750RPM(90Hz) variable
Number of Tools 12
Tools Attachment Style
EG Proprietary Attachment System
86"L x 30"W x 52"H
218cm x 76cm x 132cm
Recommended Vacuum Duo Vac (630CFM) with pre-separator or equivalent

Production Rates

Mastic Removal 600 SF /56 M2 per hour
Thin Set Removal 600 SF /56 M2 per hour
Mil Coatings Removal 425 SF /39 M2 per hour
Concrete Polishing 1,200 SF /111.5 M2 per hour


P/M Diamond Systems for the STI-3030


Concrete Prep

Concrete Polishing


arrow Concrete Prep EGT Diamond System PMW Diamond System STI Classic (CLC) Diamond System Terrazzo (TPS) Diamond System


Download Machine Manual    

Contact Information

Substrate Technology, Inc.
1384 Bungalow Rd.
Morris, Illinois 60450

+1.815.941.4600 Fax