grinding concrete forum
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And I polish concrete and can guarantee that a 40 mpa concrete will have a higher earlier strength (e.g. after 14 days) than a 25 mpa slab which means I CAN grind it earlier and achieve outstanding results. Yes stronger concrete …
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Grinding/shaping sharp 'concrete' edges??? My drive is block paved and part of it is a few inches higher than the surrounding area. The paving blocks in this particular area are retained by a lengths of concrete edging. However, the outside edges of the concrete edging-strips are 90 degrees and are quite sharp as you'd imagine.
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Start cutting at 45deg then feather it back say 3inchs, once you get a feel for the grinder. Dusty but will do the job especially for a rental. The concete will discolour and match the existing over time. Cutting option, you don't want to make it to hard for yourself hitting reo so 40mm would probably be enough.
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Re: Grinding basement concrete floor Post by Shannon » Wed Jan 08, 2020 10:24 pm I have never seen this done so my input would be limited, but like Clarence said you will need to rent a floor grinder walk behind unit.
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What I hate: any project that involves grinding concrete. I had to mount something to a poured-concrete wall, the wall had some uneven bumps on it so I used an angle-grinder with a concrete-grinding disc to knock-down the high spots so the item would mount flush to the wall. Now, I have used an a...
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I have a grinder you can borrow but sadly Nick broke my "Dave" grinding 20sqm of concrete so you'll have to provide your own..! He can't hold his beer either. Share this post
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157 Posts. #12 · Mar 25, 2010. Only show this user. I have used an electric concrete grinder from a rental company. My father in-law mistakenly had the concrete in the basement sealed so we tried to remove the sealer with the grinder. It worked, kind of. Would scratch it up pretty well then gum up.
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I'm seen concrete grinding wheels for angle grinders, just confused on what to buy. Box store had something for the 4-1/2"angle grinder for like $60. I was just checking Amazon and found some for $10, that sound good ... The Fora platform includes forum software by …
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I was wondering if anyone has tried grinding down that much concrete. Its about one inch at the furthest point and one foot by 12 feet, and the amount to be removed obviously gets less as it gets closer to the door. Any info appreciated. Those companies that towns use to do curb cuts might be able to handle cutting it.
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There was a lot of aggregate and larger diameters, and this concrete compared to other slabs I have ground before was exceptionally durable and abrasion resistant. There was almost no edge chipping, and it took about 20 minutes of back and forth grinding just to do about four feet, about 5 times longer than similar joints.
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Lots of info out there for grinding concrete but not so much for my application. Was thinking about trying a cup wheel on the 5" grinder but I'm starting with a pretty rough surface (off the jackhammer) I've never used one personally and not sure if it would be up to the task.
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Posted: Tue Oct 05, 2021 12:14 pm Post subject: Grinding concrete: Looking for recommendations on 7 inch grinding wheel for concrete- currently using a 4 inch cup wheel on my 9 inch grinder but am looking for something more aggressive- I need to grind down a 1 inch lip.Amazon has a lot of different types of wheels
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Grinding 1 inch of concrete Pro Construction Forum Be. The concrete grinding machines mostly use some sort of abrasive such as diamond or silicon tools to grind Diamond tools used for grinding usually are usually diamond grinding cup wheels The machines come in a variety of sizes with quality of finishes determined by the grits in a machine.
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If you want to make the face of it smooth/polished, then look on Amazon for concrete grinding cups. Multiple grits. With such a small area, an orbital sander and coarse to fine successions of sand paper would work. Wet/dry sand paper, as you will need to use water to sand in the final stages. Concrete sealer or paint would help.
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Grinding a concrete slab - Renovate Forum I think grinding 30mm of the top of a slab would be difficult and would take a long time and make a lot of dust. If the slab is going to be covered it would be better ...
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Grinding concrete 1 - 18 of 18 Posts Mike Milam Premium Member Joined Mar 3, 2017 3,473 Posts Discussion Starter · #1 · 6 mo ago What does it do to the finish if you grind say a high spot? What little I know about concrete is that you float the cement to the surface when finishing so it stands to reason you would be grinding it away.
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A old timer here said that grinding, sand blasting and almost any operation that tries to roughen the surface does just the opposite, especially on a microscopic level. I don't think that diamond grinding is the way to go. It might look more rough, but as far as the concrete molecules know (and they know), it's slick as snot.
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Grinding concrete. Hello, I've run into a problem, I need to to remove some very stubborn thinset in my basement bathroom and also level some uneven concrete. I decided to try out the angle grinder method, I have a Bosch 1375A 4.5" angle grinder, Ridgid 5" diamond cup wheel and a Herzo 4-5" universal dust shroud.
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