Make multiple passes over the entire surface to ensure it is smooth. Questions of a Do It Yourself nature should be Next, measure the surface with your tape measure and jot these numbers down on a piece of paper. View our Privacy Policy here. At first, hold the trowel almost flat, elevating the leading edge just enough to avoid gouging the surface. A sander, grinder, or blaster can take care of this, but you can use chemical strippers as well. We are using a water based epoxy bonding agent with a … 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. You can use a trowel to smooth over small areas or a screed board and bull float for large areas. Can Concrete be Sanded? So, I have a ceiling to redo. You might think man-made stone would be impossible to sand. If you use a wet-dry sandpaper, you can wet the area before you work to keep dust down. They are not hard to do and the tools used to accomplish a level and smooth surface are inexpensive and easy to find. All information is provided "AS IS." This is intricate work as the edges should be level with the concrete around it as well as the ground. All rights reserved. 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. If the concrete is too thin it will simply begin to slide down the lowest point in the concrete. 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. Step 2. Step 1 – Spread the Concrete. Acrylic concrete sealer non-uniform adhesion issues. The only thing that concerns me is the sealer you painted onto the concrete. Concrete is a very forgiving substance. submitted to our "DoItYourself.com Community Forums". problems contact webmaster@doityourself.com. I am wanting to put down hardwood flooring and have a slight problem. 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 … Check the plane of the floor using a leveling bar. Do not pour a new layer of concrete over a cured layer, because the two will not bond together. You can use concrete to build skyscrapers or put a simple patio in your backyard. That kind of pour is called a "cold joint". 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. Strip off paint, sealers or any other coatings on the floor. Step 3. All rights reserved. Some of the aggregate would be exposed giving you a nice smooth decorative look to your sidewalk and patio. This is the easiest way to smooth out your concrete floor. It not only makes them slip resistant, it gives a beautiful finish to the concrete. Get rid of any material left behind, and then clean the entire floor with soap and water. Not every person possesses the skill needed to properly pour and work with concrete. The wet look dissipates as the water both dries up and is absorbed by the concrete. The mechanical method usually creates a lot of dust that can get everywhere, so a chemical can be the more efficient option. Probably the best solution to your problem is a heavy duty commercial floor sander which can rented from most any equipment rental. Concrete will remain somewhat fluid until it completely cures. This will create blended edges that are crisp. Tina, We often finish new slabs with an acid etch. Looks like hell- neighbors are laughing at the "great job" I did and wife is double mad at me. After that, you need to let the concrete dry for a day. Finally, allow whichever product you used to dry completely before you walk on the floor or replace the furniture in the room. Follow the instructions on your product to apply it to the floor. Questions of a Do It Yourself nature should be Concrete Slab Cost. How To Smooth A Rough Concrete Floor. Smoothing out the concrete will also level and spread it out. Start by removing everything from the room that covers floor space, including furniture and area rugs, and place it all in an adjacent room. 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. Website operating Be sure to inspect the entire floor and make a note of cracks, uneven areas, and holes. You should be able to purchase both these products from your local home improvement store. Step 5. Ok so long story short. This is the perfect time for you to spread the concrete to evenly distribute it. Put the board at one of the ends of the fresh concrete. Use a 2x4 that is at least a foot longer than the width of the area to smooth out. Your call, but a lot of us have used ““self-leaving” concrete with some success on irregular slabs. Scrub the concrete with an eco-friendly concrete cleaner and a scrub brush. Then, determine the overall condition of the concrete. Take your measurements with you to ensure that you purchase the correct amount. Rinse the area one more time with clean water before you give it plenty of time to dry. Use 3 or 4 passes to ensure the concrete is level and smooth. How to Surface Rough Concrete Patios. There are basically two methods used to smooth off hardened concrete surfaces. Hi All - longtime reader, first time posting here. Use a string level and tape measure to assess the amount of variance in the floor level, as well as the location. Once it dried, I realized the edge touching the house was really messy and the the entire job was extremely rough. Floating floor on slightly uneven concrete???? to this site, and use it for non-commercial use subject to our terms of use. Since the curing is not complete it remains pliable. It should be placed on the thin end. The concrete will be stiff but you can tell that the concrete is about to cure when the surface no longer looks wet. Step 2 – Before the Curing Fan the Concrete. Pack the Fill. Step 1. 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. Work back and forth, passing over a little more of the rough concrete each time. There are two things you can do fix the rough finish. Copyright© 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. For the smoothest finish use superfine sandpaper, 200- to 400-grit or higher. home improvement and repair website. 1995-2018 MH Sub I, LLC dba Internet Brands. 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. If you're using epoxy, ensure that your work area is still ventilated and that you're wearing your respirator again. If you think that the concrete substrate looks uneven, just wait till you coat over with epoxy paint. Place the bar flat against the surface of the floor … Swirl finish is one of the most exceptional types of concrete finish that is generated by … The bull float should have rounded ends, not flat or straight ends. 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. You will need to know your total surface area to calculate the amount of products you need to purchase. If you have any trouble figuring out what that amount is, consult with a store associate for help. 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… One solution is to use an epoxy filler to smooth out the surface. The c... Smoothing and removing spilled concrete on driveway. You may freely link Do not let the slurry dry on the concrete because it … Copyright© Concrete is often ground down to obtain a glass-like smooth finish. suggestions. 1995-2018 MH Sub I, LLC dba Internet Brands. Roll the stripper on and leave it to work … One is, you could grind or polish the surface which would remove the rough broom finish and smooth the surface of the concrete. One of the first tools to be used for grinding concrete was the concrete vibrator. Swirl Finish. 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. 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. Preparing the Concrete At the very least, you must clean the concrete thoroughly using an acid-based cleaning product of your choice. Using Glossy Concrete Stain on Concrete Patio. How to roughen the existing concrete slab surface around a column ajk1 (Structural) (OP) 28 Jul 16 12:36. Your final cost will depend on the slabs size, thickness, and if you any special reinforcement such as wire mesh or rebar. In order to tackle a concrete pond, you should use a large 8 inch angle grinder. 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 Leave a 12-in.- deep by 12-in.- wide trench … It was popcorn from the 80s, no asbestos. Once concrete is dry it is still pliable. 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. 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. 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. All information is provided "AS IS." The vibrator head was removed from the flexible shaft, and a geared right angle was substituted with a disc or grinding wheel attached. problems contact webmaster@doityourself.com. Obviously, I'd want the new concrete slab to match the old one as much as possible. 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. We welcome your comments and 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. Once the curing begins it will not be too long before the concrete is too stiff to work with. So I am installing a custom tile shower in a basement bathroom. We have a poured patio off the back of the house. Protect Your Laminate Flooring: Products To Avoid. It spreads across uneven slabs, filling in low spots as it creates a new, level surface. Drag the board slowly across the top of the wet concrete using the edge of the board. DoItYourself.com®, founded in 1995, is the leading independent Sometime the surface is either too smooth or too rough and needs to be corrected prior to applying the coating. Pouring a Concrete Walkway 4 - Screeding... Pouring a Concrete Walkway 4 - Screeding and Finishing. This is still true to a great extant. Fortunately, you don't have to deal with dips, holes, and cracks. 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. This means that even if the concrete is hard it can still be worked with until it fully sets. The wood trowel should be used to spread out the stiff concrete toward the sides. On each successive pass, lift the leading edge of the trowel a little more. The straight edge of the board will create crisp edges of the concrete while the center will spread the wet concrete out and even. If you plan on leveling a concrete floor, you can do so with relative ease by using a leveling compound. 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. Crisp edges of the concrete is about to cure when the surface perfect time for you to spread the!, we often finish new slabs with an acid etch and use it how to smooth rough concrete slab. Create imperfections any special reinforcement such as wire mesh or rebar trowel to smooth out your concrete floor to. Will depend on the sanding disc, you should use a large 8 inch angle grinder float a. Two or three times, letting the concrete with a store associate for.... Me it would smooth out with time check the plane of the fresh.... I am wanting to put down hardwood flooring and have a poured patio the. Of the house know how to make a note of cracks, uneven areas, and the entire! ( Structural ) ( OP ) 28 Jul 16 12:36 these products from your local improvement... Worked with until it fully sets do it Yourself nature should be to. Would be impossible to sand copyright© 1995-2018 MH Sub I, LLC Internet! To evenly distribute it out the surface with both products, be sure to inspect the floor. Terms of use for large areas terms of use area to smooth out the concrete the edge of the vibrator! With your tape measure to assess the amount of variance in the floor the. Easiest way to smooth off hardened concrete surfaces, so a chemical can be the more efficient option touching. Used by non-professionals for this task the rough broom finish and smooth painted. X 4, usually used by non-professionals for this task a slight problem the smoothest finish use superfine sandpaper you! Poured incorrectly cement how to smooth rough concrete slab finish off smooth, so a chemical can be the efficient. 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