Professional Concrete Polishing and Grinding Services
Polished concrete is the lowest-lifetime-cost floor you can put in a commercial building. Using planetary diamond grinders, we take the slab from rough to refined in progressive steps — metal-bond diamonds to open and flatten the concrete, a lithium silicate densifier to harden it, then resin-bond diamonds from 50 to 3,000 grit to build the sheen you want. The result is a dense, dust-free surface that resists abrasion, tire marks and stains, reflects light, needs no wax or recoating and handles forklift and heavy-equipment traffic for decades.
USA Spray Me polishes and grinds floors for warehouses, distribution centers, manufacturing plants, big-box retail, supermarkets, auto dealerships, schools, parking structures and municipal buildings across San Francisco, Oakland, San Jose, Sacramento, Santa Rosa and all of Northern California.
Finish Levels
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| Finish | Grit level | Appearance | Typical use |
|---|---|---|---|
| Level 1 — Matte / flat | 100–400 | Low sheen, no reflection | Warehouses, industrial, back-of-house |
| Level 2 — Satin | 800 | Soft reflection | Retail, offices, mixed-use |
| Level 3 — Semi-gloss | 1,500 | Clear reflection of overhead lights | Showrooms, lobbies |
| Level 4 — High-gloss | 3,000 | Mirror-like | Auto dealerships, flagship retail |
| Aggregate exposure | Cream / salt-and-pepper / full | Chosen by grind depth | Decorative & dyed floors |
Concrete Grinding and Surface Preparation
Grinding is also the critical first step before any coating. We remove failed epoxy, paint, glue, mastic, carpet adhesive and old waterproofing; flatten high spots, trip hazards and curled joints; and profile slabs to the exact Concrete Surface Profile (CSP) that epoxy, polyurea or self-leveling overlays require. Proper profiling is the difference between a coating that lasts fifteen years and one that peels in one.
Why Facility Managers Choose Polished Concrete
- Handles forklift, pallet-jack and heavy equipment traffic without chipping or peeling
- Resists abrasion, stains and daily wear; densified surface sheds dust
- No wax, no stripping, no recoating — just auto-scrub and go
- Reflective surface improves ambient lighting and can cut lighting energy 10–20%
- Available in matte, satin and high-gloss, with optional dyes and scoring
- Service life measured in decades; LEED-friendly because it uses the existing slab
- Slip-resistant when properly maintained, even at high gloss
Project Scale and Scheduling
Our grinders, dust extractors and crews are set up for large footprints — 20,000 to 200,000+ square feet — as well as single-tenant spaces, and we work nights and weekends in occupied facilities. Send photos, floor plans or measurements for a preliminary scope and price; larger projects receive an on-site assessment and test patch. Free estimates throughout the Bay Area and Northern California.
Free on-site inspection and written quote for concrete polishing & grinding anywhere within 100 miles of San Francisco.
Recent Concrete Polishing & Grinding Projects
Where We Offer Concrete Polishing & Grinding
USA Spray Me provides concrete polishing & grinding throughout San Francisco, the Peninsula, South Bay, East Bay, North Bay and the Central Valley — every community within 100 miles of our Treasure Island headquarters, including: