STI Terrazzo Polishing Pads
STI Terrazzo Polishing Pads are exclusive 3-inch resin diamond pads engineered for wet cutting and polishing of epoxy-based terrazzo, portland terrazzo, stone, and new unsealed concrete. Featuring a patented specialized matrix, these pads deliver aggressive material removal while leaving a fine scratch pattern, making them versatile enough to perform as the first cutting tool, the closing step, or the initial stage of terrazzo restoration—all with a single pad.
Designed exclusively by Substrate Technology and unavailable anywhere else, these wet-use polishing pads feature an 8 mm-thick resin-bond construction and a convenient cloth tab for quick removal from Velcro holders. Available in 35, 50, 100, 200, and 400 grit, they offer exceptional flexibility across multiple polishing applications. Compared to Terrazzo REDZ pads, STI Terrazzo Pads are the more versatile option, while REDZ pads are optimized specifically for the final closing and polishing stages.
Main Features
- Exclusive patented STI resin diamond polishing pads
- 3 in. (76 mm) diameter and 8 mm thick
- Wet-use design for epoxy terrazzo, portland terrazzo, stone, and new concrete
- Specialized matrix provides aggressive cutting with a fine scratch pattern
- Suitable for first-cut, closing, and restoration applications
- Cloth tab for quick and easy removal from Velcro holders
- Available in 35, 50, 100, 200, and 400 grit






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