A surface shot blasting machine is a concrete floor preparation equipment that uses high-speed steel shots to clean and roughen concrete surfaces. The machine throws steel shots at the surface at high speed, removing dust, paint, rust, and weak concrete layers. After blasting, the surface becomes rough and solid, which helps new coatings, epoxy, and waterproofing layers stick better.
This surface preparation for coatings is essential for floor systems that need strong adhesion. Without proper surface preparation, coatings peel, floors fail, and repairs cost more.
Suitable for:
Epoxy floor surface preparation
Concrete floor cleaning and roughening
Old coating removal from floors
Parking garage floor renovation
Factory and warehouse floor preparation
Bridge deck and road surface preparation
Advantages:
- Dust-free operation with integrated dust collector
- No water needed, dry process
- Steel shots recycle automatically, low consumable cost
- Adjustable surface profile for different coating requirements
- No damage to the concrete base structure
- High efficiency, covers large areas quickly
YG Machinery offers three surface shot blasting machines: YG-270 (single motor), YG-550/600 (dual motor), and YG-850 (dual motor). Working widths range from 270mm to 850mm. Choose the right model for your project scale.
Technical Parameters of Surface Shot Blasting Machine
| Model | YG-270 | YG-550 | YG-600 | YG-850 |
| Working width | 270mm | 550mm | 600mm | 800mm |
| Shot blasting wheel diameter | 200mm | 200mm | 200mm | 200mm |
| Walking speed | 0.5-20 m/min | 0.5-33 m/min | 0.5-33 m/min | 0.5-33 m/min |
| Concrete surface efficiency | ≥180 m²/h | ≥400 m²/h | ≥400 m²/h | ≥600 m²/h |
| Steel plate efficiency | 15-25 m²/h | 75-100 m²/h | 75-100 m²/h | 100-160 m²/h |
| Shot wheel motor power | 11 kW | 11 kW ×2 | 11 kW ×2 | 15 kW ×2 |
| Walking motor power | 0.5 kW | 1.5 kW | 1.5 kW | 1.5 kW |
| Dust connection pipe diameter | 120mm | 150mm | 150mm | 150mm |
| Recommended steel shot diameter | 1.2-1.5mm | 1.5-1.8mm | 1.5-1.8mm | 1.5-1.8mm |
| Steel shot consumption | 10 g/m² | 10 g/m² | 10 g/m² | 10 g/m² |
| Machine size (LxWxH) | 1000x300x1100mm | 1950x720x1400mm | 1950x775x1400mm | 1950x1020x1550mm |
| Weight | 150kg | 570kg | 570kg | 700kg |
All models include a matching dust collector for dust-free operation. Power requirement: 400V, 50Hz, 100A, CEE socket.
Key Advantages & Features
- Dust-free operation – integrated dust collector keeps the work zone clean and safe
- No water needed – dry process works indoors and outdoors, no drying time
- Steel shots recycle automatically – low consumable cost, steel shots used repeatedly
- Adjustable surface profile – control walking speed and shot flow for different roughness levels
- No damage to concrete base – removes only surface layer, leaves structure intact
- High efficiency – covers up to 600 m² per hour on concrete surfaces
- Simple operation – one operator controls speed and settings
- Pulse back-flush dust filter – allows continuous operation without stopping to clean filters
- Portable and easy to move – compact design, fits through standard doorways
Applications of Concrete Floor Preparation Equipment
This concrete floor preparation equipment works well in many jobs:
Epoxy floor surface preparation – Create a rough profile for epoxy and polyurethane coatings to bond
Concrete floor cleaning – Remove dust, dirt, and surface contamination from old floors
Old coating removal – Strip paint, epoxy, and sealers from concrete surfaces
Parking garage renovation – Prepare concrete for new waterproofing and top coatings
Factory and warehouse floors – Prepare large floor areas for industrial coatings
Bridge deck preparation – Roughen concrete for waterproofing and paving layers
Airport runway maintenance – Remove rubber deposits and restore friction
Road marking removal – Strip old road markings and thermoplastic lines
Steel surface rust removal – Clean steel plates and bridge decks for anti-corrosion coatings
Shot Blasting vs Grinding vs Sandblasting
| Comparison | Shot Blasting | Grinding | Sandblasting |
| Surface profile | Consistent, uniform | Can be uneven | Consistent |
| Dust control | Integrated dust collector | Dusty | Dusty, requires containment |
| Process speed | Fast (up to 600 m²/h) | Slow | Medium |
| Consumable cost | Low (steel shots recycle) | High (discs wear out) | High (sand consumed) |
| Surface heat | No heat generation | Can generate heat | No heat |
| Indoor use | Yes, dust-free | Yes, with dust control | Requires containment |
| Steel shot recovery | Automatic recycling | N/A | Not recovered |
| Best for | Large area coating prep | Small area, detail work | Specialized profiles |
Choose shot blasting for large-scale floor coating preparation. Choose grinding for spot repairs and small areas.
How to Choose the Right Floor Shot Blaster?
| Your project type | Recommended model | Why |
| Small workshop, 50-200 m² | YG-270 | 270mm width, compact, easy to move |
| Medium warehouse, 200-500 m² | YG-550 | 550mm width, higher efficiency |
| Large factory, 500-1000 m² | YG-600 | 600mm width, double motor, stable |
| Industrial large floor, 1000+ m² | YG-850 | 850mm width, max efficiency |
| Steel surface rust removal | YG-270 or YG-550 | Smaller model works well on steel |
| Parking garage, concrete prep | YG-550 or YG-600 | Good coverage for medium areas |
Still not sure? Tell us your floor area, surface type, and coating system. We will recommend the right surface shot blasting machine for you.
Customer Case
A commercial flooring contractor was preparing a 5,000 m² warehouse floor for an epoxy coating system. The concrete surface had dust, old sealer, and weak surface layers. The coating needed a CSP (Concrete Surface Profile) of 3-4 for proper adhesion. Grinding the entire area would take weeks. Sandblasting was too dusty for the occupied building.
The contractor used a YG-850 surface shot blasting machine. The machine covered 600 m² per hour. The dust collector kept the work area clean. Steel shots created a uniform CSP 3-4 profile across the entire floor.
Results:
- 5,000 m² prepared in 9 working days
- Dust-free operation, no tenant complaints
- Uniform surface profile passed coating inspection
- Epoxy coating applied with full adhesion
- No rework or coating failures after 12 months
The project manager said: “Shot blasting was the only method that gave us the right profile at the right speed. The YG-850 machine worked every day without issues.”
FAQ
Q: What is the difference between YG-270, YG-550, YG-600, and YG-850?
A: The numbers indicate working width. YG-270 is 270mm (single motor). YG-550/600/850 are 550-850mm (dual motor). Larger models cover more area per hour.
Q: Can this surface shot blasting machine remove epoxy coatings?
A: Yes. The machine removes old epoxy, paint, and sealer from concrete surfaces.
Q: Is the machine suitable for indoor use?
A: Yes. The integrated dust collector removes dust, making it safe for indoor floor preparation.
Q: How often do steel shots need to be replaced?
A: Steel shots are recycled automatically. They wear down slowly. Top up as needed, about 10g per square meter consumed.
Q: What surface profile does the machine create?
A: The machine creates a CSP 3-5 profile depending on walking speed and shot size. Suitable for most epoxy and coating systems.
Q: Can it be used on steel surfaces?
A: Yes. The machine works on steel plates and bridge decks with appropriate steel shot size.
Q: Does the machine need water?
A: No. The process is dry. No water needed for operation.
Q: What is the warranty?
A: The main structure has a 24-month warranty. Motors and electrical components have a 12-month warranty. Wear parts like blades are not covered.
YG Machinery has been manufacturing shot blasting equipment for many years. Our surface shot blasting machines are used for floor coating preparation, concrete surface cleaning, and steel rust removal worldwide. Each machine is tested before shipping. The blasting wheel is balanced. The dust collector is checked for airflow. We offer 24-hour technical support and spare parts service.
