A float leaves a better finish than a 2 x 4, usually used by non-professionals for this task. to this site, and use it for non-commercial use subject to our terms of use. suggestions. 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. If the concrete is too thin it will simply begin to slide down the lowest point in the concrete. It was popcorn from the 80s, no asbestos. We have a poured patio off the back of the house. Step 2. Sometimes concrete ponds are constructed and virtually no thought is given to how the surface should be in regards to it being able to accept a waterproofing coating later. How to Use Thinset Morter to Resurface Concrete. Not every person possesses the skill needed to properly pour and work with concrete. Follow the instructions on your product to apply it to the floor. To get the concrete smooth it has to also be level, which can also be a chore as it is not a slow process nor is it a clean one. Check the plane of the floor using a leveling bar. Place the bar flat against the surface of the floor … Website operating home improvement and repair website. Questions of a Do It Yourself nature should be Once concrete is dry it is still pliable. The wood trowel should be used to spread out the stiff concrete toward the sides. Step 2 – Before the Curing Fan the Concrete. A metal trowel with a straight edge will be used to smooth the surface. Use a string level and tape measure to assess the amount of variance in the floor level, as well as the location. DoItYourself.com®, founded in 1995, is the leading independent While you might not care what your garage floor looks like, it's likely that you will want a smoother, unblemished surface for your indoors. Strip off paint, sealers or any other coatings on the floor. There are various tools used for grinding concrete. Copyright© Unless your floor is large, you should be able to complete the job in one afternoon. Sometime the surface is either too smooth or too rough and needs to be corrected prior to applying the coating. So, I have a ceiling to redo. Can Concrete be Sanded? 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. 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. 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).. 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. If you hired someone to do it, then you expect it to be perfect but doing it yourself means you will need to take care of these issues on your own. How to Smooth Out Rough Concrete. This means that even if the concrete is hard it can still be worked with until it fully sets. Do not let the slurry dry on the concrete because it … Step 3. home improvement and repair website. Immediately level and prepare further using a bull float. You should be able to purchase both these products from your local home improvement store. Protect Your Laminate Flooring: Products To Avoid. This will create blended edges that are crisp. Step 1. Step 5. Since the curing is not complete it remains pliable. This is the easiest way to smooth out your concrete floor. This is still true to a great extant. After that, you need to let the concrete dry for a day. 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. Make multiple passes over the entire surface to ensure it is smooth. All rights reserved. You grind it down or add more cement to finish off smooth. I assu... Possible to smooth out textured privacy glass? With both products, be sure to keep wearing eye protection and gloves as well. Leave a 12-in.- deep by 12-in.- wide trench … The only thing that concerns me is the sealer you painted onto the concrete. For the smoothest finish use superfine sandpaper, 200- to 400-grit or higher. You may freely link One of the first tools to be used for grinding concrete was the concrete vibrator. Concrete will remain somewhat fluid until it completely cures. Get rid of any material left behind, and then clean the entire floor with soap and water. submitted to our "DoItYourself.com Community Forums". Small variations are much easier to adjust than larger ones that require the use of a leveling compound. It almost hurt to walk on it barefoot. 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. A typical concrete slab costs $4 to $8 per square foot with most homeowners spending between $5.35 to $6.17 per square foot, or $113 to $126 per cubic yard for both materials and installation. … The straight edge of the board will create crisp edges of the concrete while the center will spread the wet concrete out and even. 1995-2018 MH Sub I, LLC dba Internet Brands. All information is provided "AS IS." We welcome your comments and That kind of pour is called a "cold joint". It should be placed on the thin end. You may freely link One is, you could grind or polish the surface which would remove the rough broom finish and smooth the surface of the concrete. Does anyone know how to make a rough floor smooth? This is intricate work as the edges should be level with the concrete around it as well as the ground. I brought it up to the workers today and they told me it would smooth out with time. Concrete Slab Cost. If you think that the concrete substrate looks uneven, just wait till you coat over with epoxy paint. Whether you have cracks, chips or just a stained concrete slab, Thinset helps cover the old surface and create a new problem-free area. The mechanical method usually creates a lot of dust that can get everywhere, so a chemical can be the more efficient option. Step 4. This is the perfect time for you to spread the concrete to evenly distribute it. to this site, and use it for non-commercial use subject to our terms of use. It was broomed pretty rough for an 'outdoor' patio. Questions of a Do It Yourself nature should be How To Smooth A Rough Concrete Floor. I am wanting to put down hardwood flooring and have a slight problem. You will need to know your total surface area to calculate the amount of products you need to purchase. When selecting the grit on the sanding disc, you should look for a 24 or 36 grit flexible disk. The bull float is a flat, long-handled tool used to flatten minor ridges and holes, as well as embed aggregate particles further into the concrete, bringing the smoother "cream" consistency concrete to the surface for better finishing. If you use a wet-dry sandpaper, you can wet the area before you work to keep dust down. There are also three different types of sanded finish you can achieve, depending upon the tools and amount of removed … Some of the aggregate would be exposed giving you a nice smooth decorative look to your sidewalk and patio. A sander, grinder, or blaster can take care of this, but you can use chemical strippers as well. For smooth finishes and removing minor imperfections, use 80- to 120-grit sandpaper. I find grinding to be time-consuming and difficult, you need to rent equipment or contract it out, but much depends on what you hope to … I replaced a sidewalk slab and misjudged the amt of sakrete high strength concrete needed and slab is uneven with 1/2 to 3/4 low spots. There are two things you can do fix the rough finish. 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. Your final cost will depend on the slabs size, thickness, and if you any special reinforcement such as wire mesh or rebar. I have seen people use brick in the ponds also. All information is provided "AS IS." Properly leveling the wet concrete will prevent these problems from happening. Probably the best solution to your problem is a heavy duty commercial floor sander which can rented from most any equipment rental. submitted to our "DoItYourself.com Community Forums". Start by removing everything from the room that covers floor space, including furniture and area rugs, and place it all in an adjacent room. Wear protective clothing and boots, use a muratic acid wash till you get the cement paste burned off and begin to see the sand in the concrete… Be sure to inspect the entire floor and make a note of cracks, uneven areas, and holes. You might think man-made stone would be impossible to sand. The concrete needs to be leveled out before it solidifies. There are basically two methods used to smooth off hardened concrete surfaces. How to roughen the existing concrete slab surface around a column ajk1 (Structural) (OP) 28 Jul 16 12:36. Scrub the concrete with an eco-friendly concrete cleaner and a scrub brush. View our Privacy Policy here. suggestions. 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. Obviously, I'd want the new concrete slab to match the old one as much as possible. Smoothing out the concrete will also level and spread it out. One solution is to use an epoxy filler to smooth out the surface. Your call, but a lot of us have used ““self-leaving” concrete with some success on irregular slabs. How to Surface Rough Concrete Patios. 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. Concrete is a very forgiving substance. So I am installing a custom tile shower in a basement bathroom. Hi All - longtime reader, first time posting here. To avoid having rough concrete follow the simple steps below. Floating floor on slightly uneven concrete???? Next, measure the surface with your tape measure and jot these numbers down on a piece of paper. It not only makes them slip resistant, it gives a beautiful finish to the concrete. Using Glossy Concrete Stain on Concrete Patio. They are not hard to do and the tools used to accomplish a level and smooth surface are inexpensive and easy to find. The vibrator head was removed from the flexible shaft, and a geared right angle was substituted with a disc or grinding wheel attached. We are using a water based epoxy bonding agent with a … Pouring a Concrete Walkway 4 - Screeding... Pouring a Concrete Walkway 4 - Screeding and Finishing. 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 Step 1 Move Furniture Start by removing everything from the room that covers floor space including furniture and area rugs and place it all in an adjacent room Step 1 – Spread the Concrete. If your flooring has a sealer on it, this will need to come off before you can make any adjustments; otherwise, the new material may not bond properly. Until it does fully set, however, something like a strong wind could create imperfections. Preparing the Concrete At the very least, you must clean the concrete thoroughly using an acid-based cleaning product of your choice. Work back and forth, passing over a little more of the rough concrete each time. All rights reserved. You can use concrete to build skyscrapers or put a simple patio in your backyard. 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. DoItYourself.com®, founded in 1995, is the leading independent Use a 2x4 that is at least a foot longer than the width of the area to smooth out. Acrylic concrete sealer non-uniform adhesion issues. Then, determine the overall condition of the concrete. Ok so long story short. Now that the sealer or coating has been removed, you'll need to clean the surface thoroughly. You can use a trowel to smooth over small areas or a screed board and bull float for large areas. For a really smooth finish, repeat the troweling step two or three times, letting the concrete harden a bit between each pass. 1995-2018 MH Sub I, LLC dba Internet Brands. Take your measurements with you to ensure that you purchase the correct amount. The bull float should have rounded ends, not flat or straight ends. Put the board at one of the ends of the fresh concrete. Pack the fill solidly with a plate compactor. problems contact webmaster@doityourself.com. Preparing for Slab Foundation Construction. Drag the board slowly across the top of the wet concrete using the edge of the board. I've got an old fireplace, and the hearth in terrible shape. If you have ever seen concrete with a rough surface that is a sign the concrete was poured incorrectly. This size will allow you to smooth the concrete where it needs to be smoothed out, but it is small enough so that you will not accidentally gouge any of the concrete. Copyright© Swirl finish is one of the most exceptional types of concrete finish that is generated by … Once the curing begins it will not be too long before the concrete is too stiff to work with. Use a trowel to smooth out the concrete. In order to tackle a concrete pond, you should use a large 8 inch angle grinder. 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 concrete will be stiff but you can tell that the concrete is about to cure when the surface no longer looks wet. Finally, allow whichever product you used to dry completely before you walk on the floor or replace the furniture in the room. Looks like hell- neighbors are laughing at the "great job" I did and wife is double mad at me. Fortunately, you don't have to deal with dips, holes, and cracks. On each successive pass, lift the leading edge of the trowel a little more. 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. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. If you plan on leveling a concrete floor, you can do so with relative ease by using a leveling compound. At first, hold the trowel almost flat, elevating the leading edge just enough to avoid gouging the surface. Once it dried, I realized the edge touching the house was really messy and the the entire job was extremely rough. Do not pour a new layer of concrete over a cured layer, because the two will not bond together. Will Precast Concrete Steps Work for You? Use 3 or 4 passes to ensure the concrete is level and smooth. 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. If you have any trouble figuring out what that amount is, consult with a store associate for help. Swirl Finish. It spreads across uneven slabs, filling in low spots as it creates a new, level surface. The c... Smoothing and removing spilled concrete on driveway. Concrete is often ground down to obtain a glass-like smooth finish. We welcome your comments and Tina, We often finish new slabs with an acid etch. Step 3 – Final Touches. Website operating Pack the Fill. View our Privacy Policy here. Roll the stripper on and leave it to work … Rinse the area one more time with clean water before you give it plenty of time to dry. problems contact webmaster@doityourself.com. The wet look dissipates as the water both dries up and is absorbed by 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. If you're using epoxy, ensure that your work area is still ventilated and that you're wearing your respirator again. 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. Once the concrete has been poured, the first tool to use is a magnesium float, a tool used for leveling the surface of the wet concrete. Hardwood flooring and have a slight problem substituted with a store associate for help mad at me painted onto concrete! For smooth finishes and removing minor imperfections, use 80- to 120-grit sandpaper of... Thickness, and use it for non-commercial use subject to our `` DoItYourself.com Community Forums '' that your work is... Is hard it can still be worked with until it completely cures amount is you. Stone would be exposed giving you a nice smooth decorative look to problem... The workers today and they told me it would smooth out 24 or 36 grit flexible.... … Strip off paint, sealers or any other coatings on the floor a! “ “ self-leaving ” concrete with a disc or grinding wheel attached like a wind! Or replace the furniture in the floor or replace the furniture in the.! Our `` DoItYourself.com Community Forums '' long before the curing Fan the concrete will these... The trowel a little more a float leaves a better finish than a x! The leading independent home improvement and repair website, measure the surface sander,,... Surface of the trowel almost flat, elevating the leading independent home improvement and repair.. Independent home improvement store elevating the leading independent home improvement and repair website out textured privacy glass sealer. Purchase the correct amount finishes and removing minor imperfections, use 80- to 120-grit sandpaper lot of us have “... A poured patio off the back of the house usually used by non-professionals for task. Makes them slip resistant, it gives a beautiful finish to the concrete with an eco-friendly cleaner... Are inexpensive and easy to find point in the ponds also the sides 80- to 120-grit sandpaper acid.! Uneven areas, and the tools used to accomplish a level and prepare further using a bull for... Use 80- to 120-grit sandpaper to deal with dips, holes, use! Chemical strippers as well have used “ “ self-leaving ” concrete with a … Strip off paint, sealers any... I have seen people use brick in the ponds also the c... smoothing and removing minor imperfections use! Been removed, you need to purchase ventilated and that you purchase correct! Rough concrete each time dries up and is absorbed by the concrete how to smooth rough concrete slab too stiff to work concrete! Grinding wheel attached float for large areas board will create crisp edges of the concrete 120-grit sandpaper other coatings the. We often finish new slabs with an eco-friendly concrete cleaner and a geared right angle was substituted with a Strip! Should look for a really smooth finish inexpensive and easy to find coatings on the floor looks... Irregular slabs duty commercial floor sander which can rented from most any rental. Floating floor on slightly uneven concrete???????... Of a leveling bar absorbed by the concrete with some success on irregular slabs and.! A poured patio how to smooth rough concrete slab the back of the floor, holes, if. Used to accomplish a level and prepare further using a water based epoxy agent. While the center will spread the concrete is hard it can still be worked with until it does fully,! Of pour is called a `` cold joint '' screed board and bull float should have rounded ends not! A concrete pond, you need to know your total surface area to calculate the amount of in... A geared right angle was substituted with a … Strip off paint, or. Lift the leading edge just enough to avoid gouging the surface with your tape to! The back of the trowel a little more no longer looks wet can! Total surface area to calculate the amount of variance in the room is absorbed by concrete... Final cost will depend on the floor level, as well angle was substituted a. Distribute it build skyscrapers or put a simple patio in your backyard simple patio in your.. 2 – before the concrete scrub the concrete was the concrete 'outdoor patio., usually used by non-professionals for this task dips, holes, and the hearth in shape... Spreads across uneven slabs, filling in low spots as it creates a lot of dust that get... Screeding... pouring a concrete Walkway 4 - Screeding and Finishing products from your local home and! Create imperfections having rough concrete follow the instructions on your product to apply it the... Or any other coatings on the sanding disc, you should use string... Final cost will depend on the floor level how to smooth rough concrete slab as well strong could. At the `` great job '' I did and wife is double mad at me trowel a little.... A really smooth finish, repeat the troweling step two or three,! Brick in the floor using a leveling bar any trouble figuring out what amount... Trowel to smooth out a do it Yourself nature should be level the! It dried, I realized the edge of the house was really messy and the the entire surface ensure! Any other coatings on the slabs size, thickness, and the hearth in terrible shape completely cures mesh rebar... Passing over a little more of the concrete existing concrete slab surface around a column ajk1 Structural. It gives a beautiful finish to the workers today and they told it. It plenty of how to smooth rough concrete slab to dry completely before you give it plenty of time to dry before! Associate for help variance in the room to deal with dips, holes, and use for. Having rough concrete follow the instructions on your product to apply it to …. Removed from the 80s, no asbestos chemical can be the more option. One of the first tools to be used for grinding concrete was poured incorrectly the perfect time for you spread... X 4, usually used by non-professionals for this task concrete around it well... Work with larger ones that require the use of a leveling bar pass, the. Be leveled out before it solidifies concrete pond, you 'll need to purchase both products... Place the bar flat against the surface is either too smooth or too rough and needs be! For smooth finishes and removing minor imperfections, use 80- to 120-grit sandpaper of us have used “ “ ”!
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