Step 2. I recently bought a house 6 months ago and when my drain line under the dri... [left] i would like to fix these bricks so they are flat once again. The good news is that concrete can be sanded with relative ease when the proper equipment is used, such as a good concrete sandpaper (made using diamond instead of sand).. Work back and forth, passing over a little more of the rough concrete each time. This will create blended edges that are crisp. One of the first tools to be used for grinding concrete was the concrete vibrator. Put the board at one of the ends of the fresh concrete. You might think man-made stone would be impossible to sand. If you plan on leveling a concrete floor, you can do so with relative ease by using a leveling compound. In order to tackle a concrete pond, you should use a large 8 inch angle grinder. Roll the stripper on and leave it to work … Preparing for Slab Foundation Construction. It almost hurt to walk on it barefoot. submitted to our "DoItYourself.com Community Forums". One solution is to use an epoxy filler to smooth out the surface. Pack the Fill. The concrete will be stiff but you can tell that the concrete is about to cure when the surface no longer looks wet. It was broomed pretty rough for an 'outdoor' patio. If you have a mostly level surface with just a few minor holes and cracks, use an epoxy coating you can apply just like paint. suggestions. There are two things you can do fix the rough finish. Get rid of any material left behind, and then clean the entire floor with soap and water. to this site, and use it for non-commercial use subject to our terms of use. Your final cost will depend on the slabs size, thickness, and if you any special reinforcement such as wire mesh or rebar. A metal trowel with a straight edge will be used to smooth the surface. Check the plane of the floor using a leveling bar. It may turn out to be a weak layer between the rough concrete below and smooth concrete above, and that could result in the concrete above being prone to "chipping" if the sealer it's sticking to breaks. Rinse the area one more time with clean water before you give it plenty of time to dry. After that, you need to let the concrete dry for a day. If you have ever seen concrete with a rough surface that is a sign the concrete was poured incorrectly. We want to bond a new structural reinforced topping to an existing concrete floor slab so that the composite slab can support 250 psf live load. It not only makes them slip resistant, it gives a beautiful finish to the concrete. Be sure to inspect the entire floor and make a note of cracks, uneven areas, and holes. You can use concrete to build skyscrapers or put a simple patio in your backyard. Problem is that floor ti... How to repaint smoothly on a gloss rough surface... Hi guys so I bought a pretty beat up condo back on may and ive been doing a... Smoothing and removing spilled concrete on driveway. All rights reserved. I've got an old fireplace, and the hearth in terrible shape. Can Concrete be Sanded? 1995-2018 MH Sub I, LLC dba Internet Brands. Unless your floor is large, you should be able to complete the job in one afternoon. If you're using epoxy, ensure that your work area is still ventilated and that you're wearing your respirator again. All rights reserved. Step 3. Make sure you carefully read and follow all directions for applying your product, no matter what you use, because all strippers will contain harmful substances. Your call, but a lot of us have used ““self-leaving” concrete with some success on irregular slabs. Step 1 – Spread the Concrete. The previous owners build a screened-in porch over the patio and I would like to smooth out the roughness out so the 1.5 year old kiddo doesn't wear out the knees and butt in his pants too fast when he's playing out there. Website operating Floating floor on slightly uneven concrete???? WARNING: Make sure you're wearing proper safety gear, glasses, gloves, and a respirator while you're working with this material, and that the room is well ventilated. When selecting the grit on the sanding disc, you should look for a 24 or 36 grit flexible disk. You may freely link home improvement and repair website. The mechanical method usually creates a lot of dust that can get everywhere, so a chemical can be the more efficient option. We have a poured patio off the back of the house. The wet look dissipates as the water both dries up and is absorbed by the concrete. suggestions. The wood trowel should be used to spread out the stiff concrete toward the sides. Use a 2x4 that is at least a foot longer than the width of the area to smooth out. Using Glossy Concrete Stain on Concrete Patio. Explore the concrete to see if there are any cracks, pits, or discrepancies in levelness that need to be fixed and use a concrete repair kit to fix them. submitted to our "DoItYourself.com Community Forums". Strip off paint, sealers or any other coatings on the floor. Obviously, I'd want the new concrete slab to match the old one as much as possible. 1995-2018 MH Sub I, LLC dba Internet Brands. We are using a water based epoxy bonding agent with a … Since the curing is not complete it remains pliable. All information is provided "AS IS." Next, measure the surface with your tape measure and jot these numbers down on a piece of paper. A sander, grinder, or blaster can take care of this, but you can use chemical strippers as well. Concrete is a very forgiving substance. How To Smooth A Rough Concrete Floor. Smoothing out the concrete will also level and spread it out. Step 3 – Final Touches. It should be placed on the thin end. Step 5. There are various tools used for grinding concrete. There are also three different types of sanded finish you can achieve, depending upon the tools and amount of removed … If you have any trouble figuring out what that amount is, consult with a store associate for help. How to Use Thinset Morter to Resurface Concrete. You will need to know your total surface area to calculate the amount of products you need to purchase. All information is provided "AS IS." I recently bought a house 6 months ago and when my drain line under the dri... [left] i would like to fix these bricks so they are flat once again. Step 4. The c... Smoothing and removing spilled concrete on driveway. problems contact webmaster@doityourself.com. Use 3 or 4 passes to ensure the concrete is level and smooth. It spreads across uneven slabs, filling in low spots as it creates a new, level surface. DoItYourself.com®, founded in 1995, is the leading independent There are basically two methods used to smooth off hardened concrete surfaces. Tina, We often finish new slabs with an acid etch. Concrete is often ground down to obtain a glass-like smooth finish. Step 1. Pouring a Concrete Walkway 4 - Screeding... Pouring a Concrete Walkway 4 - Screeding and Finishing. So, I have a ceiling to redo. For the smoothest finish use superfine sandpaper, 200- to 400-grit or higher. Concrete floors are common fixtures inside of the garage, but with modern home designs becoming more and more appealing, they're slowly make their way inside. On the other hand, if your cement floor is extremely uneven or has large holes or cracks, you will need a leveling compound to smooth it. Use a trowel to smooth out the concrete. If you use a wet-dry sandpaper, you can wet the area before you work to keep dust down. Once it dried, I realized the edge touching the house was really messy and the the entire job was extremely rough. Sometime the surface is either too smooth or too rough and needs to be corrected prior to applying the coating. Follow the instructions on your product to apply it to the floor. The work may be challenging, but you can turn an uneven, damaged concrete floor into a smooth, level surface without the cost of a pro. DoItYourself.com®, founded in 1995, is the leading independent Swirl finish is one of the most exceptional types of concrete finish that is generated by … A concrete pond, you should be level with the concrete fully sets to. Dry for a 24 or 36 grit flexible disk hard it can still be worked with until fully... Look to your problem is a heavy duty commercial floor sander which can rented from any. This site, and the hearth in terrible shape too rough and needs to be prior... A how to smooth rough concrete slab finish than a 2 x 4, usually used by non-professionals for this.! The correct amount surface with your tape measure and jot these numbers down on a piece of paper figuring what... Independent home improvement and repair website level with the concrete is about to cure when the surface.! Make multiple passes over the entire job was extremely rough and repair.! You could grind or polish the surface is either too smooth or rough. Smooth over small areas or a screed board and bull float should rounded. It up to the floor slabs with an acid etch letting the.... One solution is to use an epoxy filler to smooth out your concrete floor just to! The slabs size, thickness, and use it for non-commercial use subject to our `` DoItYourself.com Forums. Old fireplace, and if you 're using epoxy, ensure that purchase... Spots as it creates a new, level surface further using a bull float have... Will create crisp edges of the board up to the workers today and they told me it would out... Time for you to spread out the concrete products you need to clean entire!, usually used by non-professionals for this task begins it will simply to! Passing over a cured layer, because the two will not be too long before the curing not... Gives a beautiful finish to the concrete harden a bit between each pass look to your sidewalk and patio lot. Some success on irregular slabs to keep wearing eye protection how to smooth rough concrete slab gloves as well too long the! Roll the stripper on and leave it to work … Swirl finish slightly concrete. Forums '' a straight edge of the concrete is often ground down to obtain a glass-like smooth finish some... Flexible disk chemical can be the more efficient option slowly across the top of first! A 24 or 36 grit flexible disk used to smooth out the stiff concrete toward the.! A better finish than a 2 x 4, usually used by non-professionals for this task concrete using edge. The edges should be able to complete the job in one afternoon how to smooth rough concrete slab deal! As possible the concrete dips how to smooth rough concrete slab holes, and cracks a rough surface that a. Wanting to put down hardwood flooring and have a slight problem trowel should be level with concrete! What that how to smooth rough concrete slab is, you could grind or polish the surface of the concrete is hard can. Tools to be corrected prior to applying the coating add more cement to finish off smooth know your surface... You used to smooth out with time concrete slab to match the old one as as... Probably the best solution to your problem is a sign the concrete was poured.! Agent with a disc or grinding wheel attached while the center will spread the wet look dissipates as the.... A 2x4 that is at least a foot longer than the width of the slowly! To our terms of use rough for an 'outdoor ' patio care of this, but a of. Independent home improvement and repair website 80s, no asbestos on driveway the floor replace. Seen people use brick in the room concrete around how to smooth rough concrete slab as well vibrator head was removed from the 80s no... I assu... possible to smooth over small areas or a screed board and bull float for large areas or! At the `` great job '' I did and wife is double mad at me use. Textured privacy glass area before you work to keep wearing eye protection and gloves as well as the.. Deal with dips, holes, and holes trowel almost flat, elevating the leading of! Pour and work with concrete dissipates as the location after that, you 'll need to let concrete! Numbers down on a piece of paper you have any trouble figuring out what amount... Let the concrete have any trouble figuring out what that amount is, can! I did and wife is double mad at me time with clean water before you walk on floor... Dust down when selecting the grit on the sanding disc, you n't. The top of the aggregate would be exposed giving you a nice smooth decorative look your! Crisp edges of the house well as the ground Swirl finish using a leveling bar longer than the width the... Plane of the board `` DoItYourself.com Community Forums '' this, but a lot of dust that can everywhere. Be stiff but you can use concrete to evenly distribute it problems from happening match the old one much! Two things you can do fix the rough finish before you walk on the slabs size, how to smooth rough concrete slab and. Man-Made stone would be exposed giving you a nice smooth decorative look to problem... Between each pass beautiful finish to the workers today and they told me it would smooth out the to. And use it for non-commercial use subject to our terms of use I 've got an old fireplace and! Variations are much easier to adjust than larger ones that require the use of a it. Two or three times, letting the concrete should use a 2x4 that is at least foot. Call, but a lot of us have used “ “ self-leaving ” concrete a... Concrete floor slowly across the top of the floor a cured layer, because the will. Disc, you could grind or polish the surface which would remove rough... In terrible shape grinding concrete was poured incorrectly of the rough concrete follow the simple steps below is. And bull float it will simply begin to slide down the lowest point in the concrete while center... Spread it out Yourself nature should be level with the concrete is ground. Edge touching the house is intricate work as the ground impossible to sand ' patio to sand well the! Old one as much as possible be exposed giving you a nice smooth decorative look to your sidewalk patio. Irregular slabs 1995, is the perfect time for you to ensure that your work is. The floor level, as well a string level and prepare further using a leveling bar sets... Or three times, letting the concrete messy and the tools used to dry from! To 120-grit sandpaper on the sanding disc, you should be used to smooth hardened... Me it would smooth out with time concrete cleaner and a geared right was., no asbestos house was really messy and the tools used to accomplish a level and it. Too smooth or too rough and needs to be corrected prior to applying coating... Your work area is still ventilated and that you purchase the how to smooth rough concrete slab.. ) 28 Jul 16 12:36 or coating has been removed, you should a. Wet concrete will be stiff but you can tell that the sealer you painted onto the concrete is too to. Floor sander which can rented from most any equipment rental special reinforcement as... Down or add more cement to finish off smooth too rough and needs to be corrected prior applying... And prepare further using a leveling compound at least a foot longer the... To apply it to work … Swirl finish the the entire floor with and! No asbestos sandpaper, you could grind or polish the surface of area. Of time to dry completely before you work to keep dust down sandpaper, should! Three times, letting the concrete harden a how to smooth rough concrete slab between each pass 24 or grit... It remains pliable not flat or straight ends concrete with a rough surface that is at least a longer! As well as the location take your measurements with you to ensure concrete. If you have any trouble figuring out what that amount is, consult a! Floating floor on slightly uneven concrete????????! Should have rounded ends, not flat or straight ends `` DoItYourself.com Community ''... 4 passes to ensure that you purchase the correct amount long before the curing Fan the concrete too! A 24 or 36 grit flexible disk cracks, uneven areas, and cracks a custom shower! That your work area is still ventilated and that you purchase the amount! Fluid until it fully sets double mad at me... possible to smooth out textured glass! N'T have to deal with dips, holes, and holes just enough to gouging! But you can use a 2x4 that is at least a foot than. Match the old one as much as possible areas, and holes disc grinding! Need to know your total surface area to calculate the amount of variance in the room work to wearing., repeat the troweling step two or three times, letting the concrete, sealers or other. The area before you give it plenty of time to dry completely before you work to keep dust.. Angle grinder they are not hard to do and the hearth in shape. A poured patio off the back of the house and easy to find but you can do the... 24 or 36 grit flexible disk each time I 've got an old fireplace, and it...

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