Concrete Grinder Hire

Which Concrete Grinder Hire should I use?

Videos of the most popular units to help you choose

250mm Concrete Grinder and vacuum

 

Hand held 180mm diamond grinder and vacuum.

Our concrete grinder hire smooths rough and uneven concrete, creates a polished concrete look and preparation of terrazzo floors. We hire a range of diamond heads for aggressive grinding, polishing of old concrete and removing one or two coats of paint.

Which Diamond Grinding Head?

Choosing the correct Diamond Disk will give you a better job – and reduce the risk or excess diamond use charges.

Excessive wear doesn’t mean a poor quality disk; just the wrong disk for the concrete.

If a disk is wearing too quickly on “old” concrete – the concrete may be “soft” and require a disk for New/Soft concrete.

“Green Concrete” – ie “new concrete” less than 3 months old – will destroy a standard Diamond Disk and incur a fee up to $660.00.

Removing lots of concrete?

Our grinders are not the right machines. They’re “surface grinders” that will smooth concrete and remove small lips and and high points from concrete – but they aren’t aggressive concrete removal tools.

Grinding “Exposed Aggregate”?

Exposed aggregate sitting above the concrete?
Sorry – we’re unable to help. Our diamond heads might work – but probably not and you’ll just damage the head and we’ll need to charge for the damaged diamond.

Please note excess diamond use charges on product pages.

Diamond Disk Range

General Purpose

This is the disk that suits 95% of our customers.
Leaves swirl marks but very effective for:
* removing lips in foot paths
* the first grind to expose aggregate for polished concrete
* other semi-aggressive grinding.
200mm – Grey 25 grit
250mm – White 30 grit

Fine Grinding

Use to smooth out the scratches from heavier grade diamond head.
* Minimal grinding ability – kind of like a very fine sandpaper, it’s only used for smoothing out previous grinds.
200mm – Yellow 120 grit
250mm – Yellow 150 grit

New Concrete

Use for NEW concrete as standard diamond disks will be destroyed by new concrete.
New concrete can be anything up to 3 months old… (or even older).
200mm – Black 30 grit
250mm – Blue 30 grit

Paint Removal

One or two layers of paint.
If you’ve thick layers of multiple coats of paint or thick “rubberised” floor coating we’re unable to help as the job is very specialised.
200mm – Grey 25 grit
250mm – White 30 grit

Note: if paint is too thick it can melt and gum up the diamond. If this happens, run the head quickly over some rough concrete or asphalt to re-expose the diamond.

Aggressive Grinding

For aggressive grinding and removal of more concrete.
(Note: This disk wears quickly and excess wear charges WILL apply – it’s the nature of the disk.)
200mm – Green
250mm – Black 16 grit

Note: if you’re hoping to remove lots of concrete, our grinders are not the right machines. They’re “surface grinders” that will smooth concrete and remove small lips and and high points from concrete – but they aren’t aggressive concrete removal tools.