Concrete Surface Profiles (CSPs): A Guide to Choosing the Right CS Unitec Surface Preparation Equipment
When you’re preparing concrete for coatings, overlays, or repairs, the surface profile matters just as much as the material you’re applying. To help operators hit the right CSP every time, here’s a clear breakdown of what Concrete Surface Profiles are, and which tools are best suited for each level.
What Is a Concrete Surface Profile (CSP)?
A Concrete Surface Profile is a standardized scale developed by the International Concrete Repair Institute (ICRI). It ranges from CSP 1 (nearly smooth) to CSP 10 (extremely rough).
Each level corresponds to a specific texture created by different surface‑prep methods:
- Lower CSPs (1–3): light grinding, cleaning, coating removal
- Mid CSPs (4–6): aggressive grinding, light scarifying
- High CSPs (7–10): heavy scarifying, scabbling, deep removal
Choosing the right tool ensures proper adhesion and long‑term performance of coatings, overlays, and repair materials.
Which CS Unitec Tools Create Which CSP?
Below is a guide to matching CSP requirements with the right equipment.
CSP 1–3: Light Texture for Coatings & Sealers
Ideal for:
Thin‑film coatings, sealers, cleaning and light surface prep, removing adhesives, paint, or epoxy coatings
Recommended Tools:
Walk‑Behind Concrete Grinders
Grinders are equipped with diamond tooling can achieve CSP 1–3 efficiently.
- Smooths the surface
- Removes coatings without gouging
- Leaves a uniform, low‑profile texture
Best for: epoxy floors, urethane coatings, polishing prep
CSP 3–5: Medium Texture for Polymer Overlays
Ideal for:
Self‑leveling overlays, polymer-modified toppings, thicker coatings requiring mechanical keying
Recommended Tools:
Scarifiers cut deeper than grinders and create a more aggressive profile.
- Adjustable depth
- Wide range of cutter types
- Fast removal rates
Typical CSP: 3–5 depending on cutter selection and passes.
Great for: removing thick coatings, leveling uneven concrete, preparing for resurfacing.
Cutter options enable a wide range of CSP outcomes, making scarifiers one of the most adaptable machines in the range:
- Wire brush: CSP 1
- Beam: CSP 4
- Star: CSP 4-5
- Milling: CSP 4-6
- TCT: CSP 6-8
- TCT grooving setup: CSP 6-8
CSP 6–9: Heavy Texture for Repair Mortars & Deep Removal
Ideal for:
Concrete repair, overlay bonding, removing damaged or contaminated concrete, creating a strong mechanical bond for patching materials
Recommended Tools:
Scabblers use multiple carbide-tipped pistons to hammer the surface, creating a deep, fractured profile.
- Produces CSP 6–9
- Removes laitance, contamination, and weak concrete
- Ideal for structural repair prep
Best for: bridge decks, parking structures, industrial floors.
CSP 9–10: Extreme Texture for Heavy Repairs
Ideal for:
Thick repair mortars, structural bonding, deep removal where heavy contamination or damage exists
Recommended Tools:
Heavy‑Duty Multi‑Head Scabblers
For the most aggressive profiling, multi‑head scabblers deliver deep impact energy.
- Achieves CSP 9–10
- Removes concrete quickly
- Creates a highly textured surface for maximum adhesion
Use when: you need serious removal power and a deep mechanical key.
How to Choose the Right Tool
When selecting equipment, consider:
- Required CSP Level
- Concrete Condition
Soft, damaged, or contaminated concrete may require scabbling before resurfacing.
- Removal Depth
- Light removal → Grinder
- Medium removal → Scarifier
- Deep removal → Scabbler
- Productivity Needs
Larger areas benefit from walk‑behind scarifiers or multi‑head scabblers.
Which CS Unitec / Trelawny Tool Creates Which Profile?
| CSP Level | Surface Texture | Typical Applications | Recommended CS Unitec Equipment | Notes |
| CSP 1 | Nearly smooth | Sealers, thin‑film coatings, polishing prep | Concrete Grinders | Light abrasion, minimal texture |
| CSP 2 | Slight texture | Epoxy coatings, urethane coatings | Concrete Grinders w/ diamond tooling | Removes light coatings/adhesives |
| CSP 3 | Fine, sandpaper‑like | Thin overlays, primers | Concrete Grinders or TFP Scarifiers (light pass) | Transition point between grinding & scarifying |
| CSP 4 | Moderate texture | Self‑leveling overlays, polymer toppings | TFP Scarifiers | Ideal for removing thicker coatings |
| CSP 5 | Aggressive texture | Heavier overlays, repair prep | TFP Scarifiers (carbide cutters) | Good for leveling uneven concrete |
| CSP 6 | Deep texture | Repair mortars, bonding surfaces | Single‑Head Scabblers | Removes weak or contaminated concrete |
| CSP 7 | Very deep texture | Structural repair prep | Triple‑Head Scabblers | Creates strong mechanical key |
| CSP 8 | Heavy fracturing | Thick repair materials | Triple‑Head or Multi‑Head Scabblers | Fast removal of damaged concrete |
| CSP 9 | Extremely rough | Structural overlays, deep bonding | Multi‑Head Scabblers | High‑impact removal |
| CSP 10 | Maximum roughness | Major repair, deep removal | Heavy‑Duty Multi‑Head Scabblers | Deepest profile achievable mechanically |
Why Choose CS Unitec for Surface Preparation
CS Unitec supplies the full range of Trelawny surface preparation tools, including, but not limited to:
- Concrete Grinders
- TFP Scarifiers
- Scabblers (single‑head, triple‑head, and multi‑head)
Explore the full lineup here: CS Unitec Surface Preparation Equipment
