Concrete Grinders – Complete Buyer’s Guide & UK Supplier
Concrete floor grinders are essential tools for levelling, smoothing and preparing concrete surfaces for coatings or polish. At PWM Sales we supply a full range of professional walk-behind and handheld grinders, along with the diamond tooling and dust control equipment you need for safe, efficient results.
Whether you’re tackling coating removal, floor levelling or high-gloss polishing, our machines deliver consistent performance across projects of all sizes. From compact handheld units for edge work to powerful planetary grinders for industrial floors, we’ll help you choose the right tool for the job.
All our grinders are backed by UK support, stocked spares, and expert advice. Pair them with M-Class (or HEPA optional) extraction for compliance with UK dust regulations, and choose from our wide range of diamond segments, PCD tools and polishing pads to suit every surface.
Browse Floor Grinders | Request a Quote
Product Grid
Showing 1–12 of 13 results
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Sabre G230C Concrete Floor Grinder
Price range: £1,499.00 through £2,057.00 Exc VAT -
Sabre G300 Concrete Floor Grinder
Price range: £1,849.00 through £2,389.00 Exc VAT -
Sabre G500 Concrete Floor Grinder / Polisher
Price range: £4,099.00 through £5,190.00 Exc VAT -
Sale!
Ghibli & Wirbel FTR Floor Grinder - Special Offer Package
Original price was: £1,663.80.£1,489.00Current price is: £1,489.00. Exc VAT -
Ghibli & Wirbel FTR410 Multi-Prep Floor grinder/sander/polisher
Price range: £3.80 through £1,034.00 Exc VAT -
Alpha Concrete Floor Grinder
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Omega 400 Concrete Floor Grinder
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HIRE ONLY: Sabre G300 Concrete Floor Grinder
£190.00 Exc VAT -
Omega 450 Concrete Floor Grinder / Polisher
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Omega 700 Concrete Floor grinder / polisher
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Delta II Concrete Floor Grinder / Surface preparation
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FTO430 Roto-Orbital Multi-Prep Concrete Floor Polisher Grinder
Price range: £1,650.00 through £1,750.00 Exc VAT
PWM Sales is the UK’s trusted supplier of concrete floor grinders, diamond tooling, and dust control equipment. Every machine is supported with stocked spares, expert technical advice, and fast delivery nationwide.
Not sure which grinder is right for your project? Our team can guide you through applications, tooling choices, and dust compliance requirements, helping you achieve the best results on every job.
Request a Quote | Contact Our Experts
Types of Concrete Grinders
- Handheld grinders — edge work, steps and tight areas. Pair with a dust shroud and M-Class (or HEPA optional) vacuum.
- Walk-behind grinders — main floor prep and polishing on small to large areas.
- Planetary grinders — multiple heads for even coverage and polishing workflows.
- Rotary / multi-disc — more aggressive removal for coatings, adhesives and high spots.
Common Applications
- Surface preparation — remove epoxy, paint, adhesive and laitance before new coatings.
- Levelling & smoothing — take down high spots and feather transitions.
- Polishing — step through grits to achieve satin to high-gloss finishes.
- Industrial floors — warehouses, car parks, factories and showrooms.
- Special finishes — expose aggregate; prep for staining or sealing.
Essential Accessories & Tooling
- Diamond cup wheels & segments — coarse to fine grits; choose bond to match concrete hardness.
- PCD tooling — rapid coating and adhesive removal.
- Resin polishing pads — final stages of the polishing sequence.
- Dust control — pair any grinder with an M-Class (or HEPA optional) industrial vacuum and shrouds.
- Spares — belts, bearings, drive parts and service items.
Shop Diamond Tooling | Shop Dust Control
Hire vs Buy – Quick Guide
- Hire – Best for short projects (a few days to a few weeks), trial runs, or occasional use. Low upfront cost, maintenance included, and one week’s hire cost credited if you later buy.
- Buy – Best for contractors and frequent users. Higher upfront investment, but long-term savings, full control, and ongoing support from PWM Sales.
Explore our Tool Hire options or Grinders for Sale.
Hire vs Buy – Detailed Comparison
| Factor | Hire | Buy |
|---|---|---|
| Upfront cost | Low — pay only for the time you need | Higher initial investment |
| Best for | Short projects (a few days to a few weeks), DIY, trial runs | Contractors, facilities teams, frequent use |
| Flexibility | Access to different models for different jobs | Fixed to the machine you purchase |
| Access to latest models | Hire fleet regularly updated | Dependent on purchase choice |
| Maintenance & repairs | Covered by PWM during hire | Your responsibility (with full PWM support) |
| Credit toward purchase | One week’s hire cost credited if you later buy | N/A |
| Long-term cost | More expensive if repeated often | Cost per job reduces over time |
Start with Tool Hire or browse our Grinders for Sale.
How to Choose the Right Grinder
| Use Case | Recommended Grinder | Tooling & Add-ons |
|---|---|---|
| Heavy coating removal / levelling | Rotary or multi-disc walk-behind | PCD tools; coarse diamonds; M-Class (or HEPA optional) extractor |
| Polishing small–medium floors | Planetary walk-behind | Metal bonds up to 200 grit; resin pads 50–3000 grit |
| Edge and detail work | Handheld grinder | Diamond cup wheels; dust shroud; corner tools |
| Large industrial areas | High-capacity walk-behind or ride-on | Wide heads; fast-change plates; M-Class (or HEPA optional) dust control |
Wet vs Dry Grinding
- Wet grinding
- Suppresses dust.
- Keeps diamonds cool → extends tooling life and performance.
- Creates slurry to manage.
- Dry grinding
- Preferred indoors.
- Requires M-Class (or HEPA optional) vacuum.
- Cleaner setup, no slurry.
Choosing the Right Grit
- 16–30 grit (coarse, metal bond) — heavy removal.
- 50–100 grit (medium, metal bond) — smoothing after coarse removal.
- 120–200 grit (fine, metal bond) — final metal stage before polishing.
- 50–3000 grit (resin pads) — polishing sequence. Start with 50–100 grit resins to transition, then move up through 200–3000 grit for the desired finish.
Typical workflow: grind with metal bonds up to 200 grit, then polish with resins 50–3000 grit.
Safety & Dust Control
Always use a compatible shroud and an M-Class (or HEPA optional) vacuum. PPE: respirator, eye and hearing protection, gloves.
Regulatory Note
- HSE requires M-Class minimum on UK sites.
- M-Class = compliant dust extraction.
- HEPA = optional upgrade for high-risk settings.
Best-Practice Tips
- Start with less aggressive grits.
- Overlap passes.
- Rotate/replace worn segments.
- Test small patches first.
Why Buy from PWM Sales?
- UK expertise & advice.
- Spares & tooling always in stock.
- Bundle options: grinder + extractor + tooling.
Browse Floor Grinders | Request a Quote
FAQs
What is a floor grinder?
A floor grinder is a machine that uses diamond tooling to level, smooth, or polish concrete. It removes coatings, high spots and laitance, and can prepare a surface for new finishes.
How do you level a concrete floor with a grinder?
Start with coarse metal bonds (16–30 grit) to take down high spots, then step through 50–100 and 120–200 to refine. Keep overlapping passes, use a shroud + M-Class extraction for dust, and test a small area first.
Can a floor grinder remove old paint and coatings?
Yes — fit PCD tooling or coarse diamonds for fast removal of paint, epoxy and mastics. See our diamond consumables.
Is dust-free grinding possible indoors?
Yes — pair a shroud with an M-Class (or HEPA optional) industrial vacuum. Wet grinding also suppresses dust but creates slurry.
What’s the difference between planetary and rotary grinders?
Planetary grinders are best for even coverage and polishing; rotary/multi-disc are more aggressive for removal and levelling.
Do I need dust extraction with a grinder?
Yes. For dry grinding, always connect your grinder to an M-Class industrial vacuum (HEPA optional for higher-risk jobs). Wet grinding can also reduce dust but may not be suitable indoors.
Can I polish concrete with a grinder?
Yes — grind with metal bonds up to 200 grit, then polish with resin pads 50–3000 grit, finishing with densifier and sealer.
Which grit should I start with?
For removal/levelling: 16–30. For refinement: 50–100 → 120–200 (metal), then resins 50–3000 to reach the desired finish.
How long do diamond segments last?
Typically hundreds of m², depending on bond, grit and concrete hardness (tough coatings shorten life). See diamond consumables.
Can I remove tile adhesive with a grinder?
Yes — use PCD or coarse metal bonds. Work methodically and maintain extraction with an M-Class vacuum.
What is the best grinder for a garage floor?
A walk-behind grinder (200–250 mm head) balances coverage and manoeuvrability. Pair with M-Class extraction for safe dust control.
How do I polish with a planetary grinder?
Flatten with metal bonds to 200, then resins: 50–100 → 200–400 → 800–3000. Apply densifier and sealer to finish.
What are the types of diamond tooling?
Metal-bond (16–200) for grinding/prep, PCD for aggressive coating removal, and resin pads (50–3000) for polishing. Segment shapes (turbo/arrow/rhombus) suit specific tasks. See Diamond Tooling product range.
How much dust do grinders produce?
A lot — grinding generates respirable crystalline silica (RCS). Always use a dust shroud and connect to an M-Class (HEPA optional) extractor, or use wet grinding where appropriate.
Can I get replacement parts and servicing in the UK?
Yes — PWM supplies spares and servicing locally to minimise downtime.
Are your dust extractors compatible with other tool brands?
Yes — our M-Class extractors connect to most grinders/saws with universal hoses/adaptors.
Do you offer trade discounts or bundle deals?
Yes — we can bundle grinder + extractor + tooling and offer trade pricing for contractors. Ask for current deals.
How do I prepare a floor for LVT/vinyl?
Remove coatings/laitance, level with appropriate grits, and achieve the profile specified by the adhesive. Consider alternatives like floor planers if heavy profiling is needed.