May 17, 2011· Use a concrete grinder to grind down any particularly high spots. Wear eye protection and a face mask, start the grinder's engine, lay the disc flat against the spot you want to grind down, and move it in a side to side or front to back motion until you grind the bump down to floor level.
Jan 16, 2008· An Introduction to Concrete Processing. ... breaks down the process of concrete polishing into grinding and polishing. ... can vary in thickness through the surface of the slab. Once the concrete ...
Dec 03, 2012· They need to be heavy so that the weight is pressing these discs down onto the concrete in order to grind away the top layer of concrete and aggregate. After the first day of grinding, this is what I found … not a whole lot of progress.
The cost to Polish Concrete starts at $5.44 - $6.35 per square foot, but can vary significantly with site conditions and options. Get fair costs for your SPECIFIC project requirements. See typical tasks and time to polish concrete, along with per unit costs and material requirements. See professionally prepared estimates for concrete polishing work.
Concrete grinding machines use rotating heads to smooth and level the concrete surface. The process is called 'diamond grinding' when the abrasive discs contain diamond particles. However, tungsten carbide discs can also be used, especially when thick membranes and glues need to be removed.
Mar 09, 2007· I want to do some paving, around the back extention (a 'built over' slab) but the pier footings under the house slab "suck". The pier footings were not 'tidyed up' and the top of them come too far up the slab. Basically the piers were poured and the top of the concrete was not smoothed, the slab form laid over the piers and the slab poured.
Oct 11, 2016· The conventional way of removing high spots in concrete is by means of grinding/concrete planes. However, this type of equipment can be expensive to rent and will require many passes to remove high spots. When the high spots are excessive, 12 mm plus, a fast effective approach can be adopted.
How to Install Laminate Flooring Over Concrete Slab By Cadence Johansen. SAVE; Many types of flooring can be installed over a concrete sub floor. However, many homeowners are disappointed to discover that solid wood flooring cannot be installed on a concrete slab. ... Use a concrete grinder to grind down any high spots on the concrete floor ...
Jun 20, 2010· The houses originally came with concrete slabs, but a previous owner appears to have poured an additional few inches in order to bring the slab up to door level, so I suspect the current slab is probably close to 6-7" (maybe more) thick. DH rented a small hand-held grinder this morning to test a small space and see how it works.
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.
The grinding wheel or disc is used with a right angle head, which has various gear reductions to reduce the grinding speed to 300 to 500 rpm. This wet angle head is provided with an attachment for a water hose so that water can run through the center of the grinding wheel onto the concrete.
Save that slab! If you have an uneven concrete slab, you could replace it or cover it with leveling compound. But consider grinding it instead. Powerful grinding equipment is available at rental centers that cater to contractors. Here are a few of the most common uses: Tapering cracks or heaves to reduce tripping hazards.
Feb 12, 2011· That cup is for aggressive grinding. It will take the concrete down quickly. Unless you will only use it to take down ridges or humps, I would recommend a general purpose cup as it will leave the concrete smoother. My grinder is a Bosch Surface Prep tool with the housing being the shroud. Dust is vacuumed through the holes in the cup not the ...
Concrete grinding allows us to smooth uneven concrete surfaces that cause a trip hazard or smooth down a concrete slab to create a stunning polished floor. Our range of concrete grinding services are below, however, please do not hesitate to call us for a free consultation and quote for …
Description Model # 50200-HD. Perfect for indoor surface grinding applications, including garage, kitchen, basement or patio; Grinds down concrete high spots, removes sealers and thin mil paints, removes mastics and preps floors to accept new coatings
Lowell Brakey, a Kansas concrete contractor, has developed a slick way of doing this. His crew puts water on the floor to find the high spots. Then they grind the spots down using a walk-behind heavy-duty grinder that looks like a floor buffer but with diamond blades on the bottom.
How to level a section of raised concrete floor? Ask Question ... move a toilet drain on cement slab. The new concrete he poured is about 1/8" higher than the rest of the floor. I need the floor to be level for tile installation. The new concrete is only about 5% of the bathroom sqft, so I need way to grind it down somehow. What's the best way ...
Leveling Concrete Using Grinding. For an uneven floor, grinding the concrete floor high spots is your only option. Although this sounds simple, this requires a great level of skill and equipment. These are in addition to the physical requirement in carrying hefty bags of compound and equipment.
Concrete grinding is a modern technique to eliminate trip and fall hazards. How concrete grinding saves you money. Aside from all the liabilities avoided by correcting potential trip hazards, concrete grinding can save you money by not having to replace the concrete altogether.
I need to grind down a hump in my concrete floor and want to minimize dust. Asked by: MT. Works great with water. I suggest working small areas and stand a few 2x6 blocks around the area you are working to contain the wet muddy spray. ... Do pay attention to your progress though, because this will start chewing through the slab concrete after ...
Jan 17, 2019· Concrete grinding & concrete leveling, floors, thinset removal, floor grinding, floor leveling, coating removal and resurfacing concrete in Phoenix Arizona. ... If you have a concrete slab that is up to 1" to 1"1/2 out of level, this will grind it down. Anymore and it would cause the slab to be too weak and could have the possibility to ...
Mar 06, 2009· 'The worst slab I ever had to fix' ... researched concrete grinding and found JimSanderCompany.com. Website photos and a phone conversation with Jim convinced Stan to bring Jim out to see the slab ...
May 05, 2018· Concrete Slab Crack Repair with Emecole 555. One side of the patio lifted about 3/4″ and shifted downhill from the main slab. The raised lip created a trip and fall hazard, which needed grinding down to make a smoother transition:
Dec 31, 2015· The problem is that the concrete slab settled and is pitch in. Its about an inch out, i would like to cut and chip the slab in front of the door and then skim coat it. But since it is exterior I'm worried about it blowing apart. I was wondering if anyone has tried grinding down that much concrete.
I need to fill cracks on my pre-cast concrete balcony -- I probably will be using quikcrete stuff like the pre-mixed concrete crack filler. Before I do, my question is how to sand down the filler to smooth out the filled area with the balcony. Like repairing drywall, the area will be lumpy and require smoothing or sanding. What tools & sandpaper are needed? a palm or belt
I had a little grinding to do to level a concrete slab with the original house slab. This grinder was able to take it down with little effort. The only downside is the dust collection allows a lot of dust to escape. I was doing the work inside the house and had sealed off the area. There was …
1. Protect any lived-in areas before you grind concrete, as concrete dust is harmful to the lungs, eyes, furniture and other items. Cover all doorways with plastic sheeting.
The repair method used by Concrete Repairman starts with floor grinding. Grinding the concrete slab joint enables the best transfer of weight smoothly across the joint. Grinding and leveling floor joints also properly profiles the surface of the concrete slabs to allow for …
Concrete floor grinders (scarifiers) utilize rotating discs to level, smooth, or clean the top surface of a concrete slab. Applications include eliminating trowel marks, smoothing rough edges, removing coatings, grinding high spots and adding texture to slippery surfaces.
Concrete Grinding is a modern technique to eliminate trip and fall hazards. The process uses a Scarifier Concrete Grinder and Dry Surface Grinder to sand down the raised side of two joining sections of concrete.
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