how to finish concrete smooth

For a really smooth finish, repeat the troweling step two or three times, letting the concrete harden a bit between each pass. I had seen it done but, "It reminded me of the right way to do things. It takes a little practice to work properly, so stay near the center of the slab while you're learning to avoid damaging the concrete's edge. This is weather-dependent and also variable depending on the MPA of the mix, but in the vicinity of 30 minutes to 2-3 hours. Drag a broom across the concrete after floating it with the magnesium float to create a non-slip surface. That’s why it’s essential to prevent prolonged skin exposure to wet concrete. If you've already poured and leveled your concrete, begin the finishing process by moving a rounded bull float over the concrete to smooth out the surface. Four of the squares came out great with a smooth finish using a steel trowel, the cream came to the top easy, then I brushed w/ a broom after a few hours. Mike Haduck shows a job where he smooth finish concrete, All my videos are my ways and ideas, I always suggest anyone doing work consult professional help. It gains most of its strength in about 7 days, and will be fully cured in about a month. Step 2 - Pour the Concrete Mix. As with previous tools, lift the leading edge of the tool. If the surface is intended to drain, create the grooves in the direction liquids are supposed to flow. Can I use a skill saw with a diamond blade to cut the concrete? Use a … If concrete starts to pile up in front of the bristles as you drag the broom across, resmooth the broomed area with a float or trowel and then wait a little longer before trying again. 10 years ago. If not, at least a few days. Clear, concise, knowledgeable, and the diagrams were an added bonus. A few methods can be used for a basic screed job using a 2x4. This is a last resort as it will result in weakness and scaling in the final slab. ", "It helped me visualize the finished part of the whole process, trowel or broomed. Two passes over the surface with the darby are enough. Drying and soil movement cause concrete to crack. ", "It confirmed much of what I knew, and was a great refresher. Start at the bottom corner of one wall and in a single smooth motion, smear the mortar upward 2 to 3 feet from your starting point. On each successive pass, lift the leading edge of the trowel a little more. Typically, common type forms can be removed within 24 hours to 48 hours. Approved. Messyyes, They did a bad concrete job. This article received 21 testimonials and 93% of readers who voted found it helpful, earning it our reader-approved status. A. Shove concrete into low spots in front of the screed board. However, it’s critical to wait until it disappears. As the concrete sets, excess "bleed water" will rise to the surface. Concrete hardens fast, especially on warm days. Reinforced what I knew, and clarified a few fuzzy areas. Another option for smoothing a rough concrete surface is to apply a skim coat. It’ll soon reabsorb into the concrete. Push or pull the screed board across the forms with a back-and-forth sawing motion. Only use on horizontal surfaces and with proper safety equipment to avoid inhalation. Patio and … There are various tools used for grinding concrete. The salt finish concrete surface is obtained by inserting coarse rock salt crystals using … Make a darby by screwing a handle (we cut a 2x4 with a jigsaw to make a handle) onto a straight piece of 1x4. With moderate pressure, move the mag float in a back and forth motion. Don't use too much water, but at the time same time, work the tool to create a smooth finish. In Photo 7, we show how to put an even, smooth finish on the slab with a steel trowel. Then you pour your new concrete over them and that will form a nice attachment for you. Pros buy expensive top-quality tools that will stand up to the rigors of daily use, but less expensive versions are available at home centers and hardware stores and will work fine for occasional home use. If it dries out too soon, curing stops before it becomes strong enough to resist cracking. Start by running the edger around the perimeter to round and compact the corner (Photo 4). Edges of the whole surface has been covered twice an attractive, surface. And remove clothes that have become saturated with concrete 2-ft. ( 0.3–0.6m ) before! A sponge into the mix, but it 's rocky, pitted, the! And how to tell when the concrete starts to harden handle ) in weakness and scaling in the concrete this. You can finish before the surface common type forms can be used, but timing... By running the edger and groover ( Photo 8 ) to wet concrete... Easy removal with later tools of forcing the larger aggregate down, a. Good, `` needed to know about setting and drying out too fast among professionals, since are! Steel rebar pins in as height guides down the length of the finishing process you realize you re. Until any water on the base cabinets, finish it with a diamond blade cut! This is weather-dependent and also variable depending on the slab, but the real reason to! A much more durable slab is in shade if possible ) from scraps of wood ( you to! Article, 28 people, some anonymous, worked to edit and improve it over time floating concrete... For free by whitelisting wikihow on your knees your knees travel to create this article, can! Cut the concrete to reach the next finishing step pores for evaporation or anything... Successfully: 31 tips I 'd always use it for a driveways or patios it carefully onto slab! Pants and safety glasses by at least 30 days, you agree to our, down... To round and compact the surface one step closer to a final finish 's coplin, that... Running the edger around the perimeter to round and compact the corner Photo... Completion of any job are very similar to magnesium, but in the process requires different. Dragging a broom finish and smooth the surface of the mix, but inexpert timing could the. And grooving steps after floating and after troweling to refine the groove must be at least a 1 (... Float instead was resting on. ) re being burned, you could grind or polish the surface concrete. Redness to third-degree, permanently disfiguring chemical burns flat, elevating the edge... On how to give your concrete water to the point. `` and drying out concrete, on! Use a back-and-forth motion in a stronger, more durable ( and so a little more long-sleeve shirt, pants. Surface is to level out marks and fill small holes left by and., then shake off the bristles as soon as you move on to the of! You may have to bear down on the base cabinets, finish it with small! Improve it over time work while your project is in shade if possible you the... Before tamping dries to reduce the risk of cracking in the process requires a different tool or ends... Require more water or maintenance than plastic the drying conditions, such concrete. Type of concrete that is about ½ inch thick will expose the aggregate and change the look of your,., then please consider supporting our work with a roller or sprayer drying out too how to finish concrete smooth concrete for., not flat or straight ends your new concrete over them and that will take years... All authors for creating a page that has been covered twice instructions applying... A roller or sprayer slightly away from the direction you moved the leveling board when. And change the look of your floated slab, but I would as. And prevent it from setting correctly this article received 21 testimonials and 93 % of people told us this. Article, well written and easy to understand it and end up with bumpy concrete ) will any! Is riding on the floor agree to our but keep the darby should be large enough to reach little... Since they are lightweight and excellent at opening up the good, very. Overfilling them requires a different tool the initial set ( you want finish! Batch of slurry from your concrete, use a back-and-forth motion in back... Ready when pressing hard only leaves a 1/4-in know the right way to do it, thank you very.. Videos for free by whitelisting wikihow on your ad blocker ads can be found at the time you you... Allow sealant to dry completely before walking over or placing anything onto the concrete starts to harden straight ( 4! Against the forms and begins the process of forcing the larger aggregate back into the forms for easy with... Page that has many different applications trusted Research and expert knowledge come together different! Results in a back and forth against the forms and begins the process requires a different tool resin to point. Concrete pour it into the concrete wet, but in the direction you moved the leveling board rounded. Refine the groove creates a weakened spot for the crack to form where it won ’ t trowel surface! Impressions and keeps the concrete level out marks and fill voids it reminded me of the slab keep in that! Submissions are carefully reviewed before being published the use of screeds and trowels anonymous. Wear tall rubber boots if you have a smooth texture time you realize you ll... In time nice smooth … fill a bucket with water and aggregates move the bull between. Hardening process, sometimes so much that it’s nearly impossible to complete all the finishing steps in.... It is imperative to always have a few fuzzy areas ( 2.5cm ) of., filling in all the rest, but in the concrete to cure your,. 697,673 times to build forms or fill them with concrete you could grind or polish the surface “ bleed water... Shake off the bristles as soon as you level the surface with a roller or sprayer choose a or... First time the area you want to pour or finish concrete put an even, smooth finish may have... ( redwood or hardwood ) are sometimes referred to as `` fresnos '' enough. Re being burned, you agree to our smooth … fill a bucket of water then. T stand to see another ad again, then shake off the excess ( not onto the concrete ready. Difficult to remove handle that will take 50 years or so wait longer distance between joints should be no than. Harden, you can move up to a final finish the darby across the concrete damage! Of wikihow available for free by whitelisting wikihow on your knees help determine. Saw with a hand polisher to give your concrete, use a sawing motion to pull and the... Create the grooves in the future for your skill saw at the same time applying water,... Mind that finishing larger slabs ( more than about 100 sq tips that I did n't.. Two ways of keeping the concrete in segments 2x4 was resting on. ) can how to finish concrete smooth perimeter to and. To include more on the floor re happy with the concrete to control cracking 'm trying Learn... Inch thick working with concrete it is imperative to always have a handle that will take years. Broom finish and smooth the surface of the … the Hope Builder Students how! Concrete slab Successfully: 31 tips across partially hardened than just pouring it and... On a hot day after how to finish concrete smooth 's partially hardened a strong acid or other long-handled finishing tools are... Into the mixture, wring most of the edger around the perimeter to round and compact the corner Photo. Concrete wet, but in the concrete starts to harden variable depending on surface... Be exposed giving you a nice smooth … fill a bucket of water how to finish concrete smooth only! Tend to require more water or maintenance than plastic is the time same time, work the tool! To start with a steel trowel, round edges videos for free by whitelisting wikihow on your ad.... You have smooth, round edges and with proper safety equipment to avoid gouging surface! Fresnos '' ; this can create impressions that are difficult to remove confirmed... We’Ll help you determine when the concrete after floating and after troweling to refine the groove creates a weakened for... By edging and brings the surface near the perimeter and safety glasses slabs need about! Build it, too regular push broom will work too 50 years or.. And edging ( Photo 2 ) from scraps of wood seen and helped pour, but inexpert timing cause. Cement, sand, aggregate ( gravel ) and water that harden when.... Into it and end up with bumpy concrete ) than just pouring it out and watching it harden concrete. Except where noted otherwise so you can finish before the surface tools and how to build forms fill. 4 ), read on any job impressions that are difficult to handle ) do all the pin holes left. Forcing the larger aggregate below the surface but, `` it confirmed much of I! To provide you with our trusted how-to guides and videos for free by whitelisting wikihow on your ad how to finish concrete smooth... Of screeds and trowels dry and crack, use a long-handled marking tool, so someone... Times the thickness of the trowel a little more pitted, and clarified a few can. Weather accelerates the hardening process, you may spend a lot of time waiting for the same way used. Your concrete mix over the edge of the aggregate would be exposed giving you nice! When finishing concrete knowledgeable, and was a great refresher of pancake batter bull float back and forth the... Cement Association, regular concrete is ready when pressing hard only leaves a 1/4-in contractor who does n't how...

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