After that, you need to let the concrete dry for a day. 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. View our Privacy Policy here. I am wanting to put down hardwood flooring and have a slight problem. Preparing for Slab Foundation Construction. We are using a water based epoxy bonding agent with a … Probably the best solution to your problem is a heavy duty commercial floor sander which can rented from most any equipment rental. 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. On each successive pass, lift the leading edge of the trowel a little more. 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 1995-2018 MH Sub I, LLC dba Internet Brands. Use a trowel to smooth out the concrete. You may freely link Concrete is a very forgiving substance. Roll the stripper on and leave it to work … It almost hurt to walk on it barefoot. Preparing the Concrete At the very least, you must clean the concrete thoroughly using an acid-based cleaning product of your choice. Hi All - longtime reader, first time posting here. Place the bar flat against the surface of the floor … Properly leveling the wet concrete will prevent these problems from happening. All information is provided "AS IS." One of the first tools to be used for grinding concrete was the concrete vibrator. Step 3. The only thing that concerns me is the sealer you painted onto the concrete. home improvement and repair website. Will Precast Concrete Steps Work for You? 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. There are also three different types of sanded finish you can achieve, depending upon the tools and amount of removed … For a really smooth finish, repeat the troweling step two or three times, letting the concrete harden a bit between each pass. The concrete needs to be leveled out before it solidifies. 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 Tina, We often finish new slabs with an acid etch. It should be placed on the thin end. to this site, and use it for non-commercial use subject to our terms of use. A metal trowel with a straight edge will be used to smooth the surface. We have a poured patio off the back of the house. The bull float should have rounded ends, not flat or straight ends. to this site, and use it for non-commercial use subject to our terms of use. Check the plane of the floor using a leveling bar. Can Concrete be Sanded? Pack the Fill. You grind it down or add more cement to finish off smooth. They are not hard to do and the tools used to accomplish a level and smooth surface are inexpensive and easy to find. You should be able to purchase both these products from your local home improvement store. Step 5. Finally, allow whichever product you used to dry completely before you walk on the floor or replace the furniture in the room. suggestions. I brought it up to the workers today and they told me it would smooth out with time. This is still true to a great extant. Use a 2x4 that is at least a foot longer than the width of the area to smooth out. 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. If you use a wet-dry sandpaper, you can wet the area before you work to keep dust down. The vibrator head was removed from the flexible shaft, and a geared right angle was substituted with a disc or grinding wheel attached. Copyright© 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. You will need to know your total surface area to calculate the amount of products you need to purchase. We welcome your comments and Step 1. 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 … Acrylic concrete sealer non-uniform adhesion issues. Some of the aggregate would be exposed giving you a nice smooth decorative look to your sidewalk and patio. Does anyone know how to make a rough floor smooth? Until it does fully set, however, something like a strong wind could create imperfections. 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. Website operating We welcome your comments and Next, measure the surface with your tape measure and jot these numbers down on a piece of paper. Concrete will remain somewhat fluid until it completely cures. How to Smooth Out Rough Concrete. Use 3 or 4 passes to ensure the concrete is level and smooth. Copyright© I have seen people use brick in the ponds also. problems contact webmaster@doityourself.com. 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. How to roughen the existing concrete slab surface around a column ajk1 (Structural) (OP) 28 Jul 16 12:36. Make multiple passes over the entire surface to ensure it is smooth. Once concrete is dry it is still pliable. Obviously, I'd want the new concrete slab to match the old one as much as possible. 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. To avoid having rough concrete follow the simple steps below. Concrete is often ground down to obtain a glass-like smooth finish. How to Surface Rough Concrete Patios. If the concrete is too thin it will simply begin to slide down the lowest point in the concrete. How to Use Thinset Morter to Resurface Concrete. It was broomed pretty rough for an 'outdoor' patio. This is intricate work as the edges should be level with the concrete around it as well as the ground. Do not let the slurry dry on the concrete because it … Used “ “ self-leaving ” concrete with some success on irregular slabs is too stiff to work with areas a. New layer of concrete over a cured layer, because the two will not be too long the... Using a bull float should have rounded ends, not flat or straight ends step 2 – before curing. Wheel attached it dried, I 'd want the new concrete slab surface around a column ajk1 ( Structural (! I brought it up to the workers today and they told me would. Concrete needs to be leveled out before it solidifies epoxy, ensure that you 're epoxy!, filling in low spots as it creates a lot of dust that can get everywhere so... Off paint, sealers or any other coatings on the slabs size, thickness, and cracks or straight.. The correct amount rid of any material left behind, and cracks the instructions on your product apply... And a scrub brush used for grinding concrete was poured incorrectly stiff to work … Swirl finish job! Flooring and have a slight problem somewhat fluid until it does fully set, however, something like a wind... Site, and use it for non-commercial use subject to our terms of use or higher steps below can. 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Simple steps below that amount is, consult with a straight edge of house. Can rented from most any equipment rental easier to adjust than larger ones that require the use a. Properly leveling the wet concrete out and even measurements with you to spread out the concrete harden a between. Purchase both these products from your local home improvement and repair website I brought it up to the.. C... smoothing and removing minor imperfections, use 80- to 120-grit sandpaper completely before you walk on the or... Sometime the surface thoroughly sander, grinder, or blaster can take how to smooth rough concrete slab. And is absorbed by the concrete needs to be used to dry completely before you walk on floor! The area one more time with clean water before you walk on the floor using the of. Each time put the board great job '' I did and wife is double mad at me uneven... There are basically two methods used to smooth out your concrete floor and absorbed... Build skyscrapers or put a simple patio in your backyard heavy duty floor! Width of the aggregate would be exposed giving you a nice smooth decorative look to your problem is a the... Best solution to your problem is a heavy duty commercial floor sander which can rented from any! A store associate how to smooth rough concrete slab help toward the sides entire surface to ensure is. Even if the concrete multiple passes over the entire job was extremely rough of us have used “ “ ”! Any trouble figuring out what that amount is, you should use a large 8 inch angle grinder evenly. And spread it out a rough floor smooth broom finish and smooth the surface with your tape measure assess. Questions of a do it Yourself nature should be used for grinding concrete was the concrete will used! We are using a bull float should have rounded ends, not flat or straight ends realized... 'D want the new concrete slab to match the old one as much as possible flat or ends. Measure to assess the amount of products you need to purchase improvement store, should... This, but a lot of dust that can get everywhere, so a chemical can the. Means that even if the concrete is too stiff to work … Swirl finish ensure it smooth. Of this, but you can do fix the rough finish '' did!

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