I have gotten two quotes for two separate rental places for a stand up diamond grinder. One was for $125.00 with a ten inch diamond disk. The other one ran around $200.00 but it had the diamond insert I belive that there was 5 or 6 of them. I did not ask what the grit was for either machines, what is a good grit for the diamond inserts/disk to get the job done? It is new concrete with no sealer. Which one would be the better choice. I would like to save the money and go with the one with the 10" disk, but if the other one will work better then I would rather spend the money.
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Best Grinder to Rent and waht to look for
- Thread starter Megan
- Start date
The one I had rented had 2 disks that each had 3 diamond "inserts". They didn't tell me a grit # or did it seem like there were any options. The inserts worked well and didn't take long to get the floor where I needed it. Just be careful not to get too aggresive as you can create lowspots or uneven areas.
I don't have any experience with the single disc, but I don't see how different it could be than the other.
Also, my rental was more than both. I believe around $250 or so with the diamond discs.
Good luck
I don't have any experience with the single disc, but I don't see how different it could be than the other.
Also, my rental was more than both. I believe around $250 or so with the diamond discs.
Good luck
AlphaGarage
Well-known member
The dual disc grinders can be a bit easier than a single head, or not.
With a single head the grinder can be a bit more difficult to control since the disc wants to take the machine in one direction. On a two disc machine the discs rotate in opposite directions, canceling out each other, so the grinder is easier to steer.
But, the two disc grinders are usually heavier than a single disc, aking it tougher to load, unload, and push around. Different brands vary a lot. The Edco dual disc model (each disc uses 3 diamond cutters) is very heavy, and will usually require two folks to load/unload. An OnFloor grinder though has 3 discs, and can be loaded/unloaded by one person.
That weight can be helpful at times, since it puts more pressure on the grinding media, which should help it cut better.
It's a good idea to find a rental yard with knowledgeable staff, let them know exactly what you need to do and they should be able to set you up.
With a single head the grinder can be a bit more difficult to control since the disc wants to take the machine in one direction. On a two disc machine the discs rotate in opposite directions, canceling out each other, so the grinder is easier to steer.
But, the two disc grinders are usually heavier than a single disc, aking it tougher to load, unload, and push around. Different brands vary a lot. The Edco dual disc model (each disc uses 3 diamond cutters) is very heavy, and will usually require two folks to load/unload. An OnFloor grinder though has 3 discs, and can be loaded/unloaded by one person.
That weight can be helpful at times, since it puts more pressure on the grinding media, which should help it cut better.
It's a good idea to find a rental yard with knowledgeable staff, let them know exactly what you need to do and they should be able to set you up.
Hammerdown
Well-known member
I would go with the dual grinding disk. I typically use an EDCO dual disk grinder with the Dyma-Serts. If the price you got was $200.00 with the diamond inserts, thats not bad. Around here (metro Detroit) the machine rens for about $175.00 and the Dyma-Serts are an additional $75.00 to $100.00 over the standard grinding stones. The diamond tips are more efficient and grind faster and leave a smoother surface than the stones, so I would go with the dual disk w/ diamond inserts. It will save you time (and money) in the long run and is well worth the added expense IMHO.