Final thickness of StoColor Lotusan shall be minimum 2.5 dry mils, per coat. Just three mm of thickness, micro cement Micro topping allows you to renew existing surfaces on different bases (concrete, self-leveling, ceramic, wood…) without having to … The concrete is poured over the visqueen thus holding the foundation walls from moving inward and holding the moisture out. Coverage. Roll over image to see After Image FEATURES Most jobs require a second, and sometimes a third coat of resurfacer. This is actually stronger than the slab itself, so properly applied, resurfacing layers can be very durable. That’s pretty much it. Approx. At $25 to $55 per 40-pound bag, or up to $70 for a 50-pound pail, resurfacing is not a cheap project, but it is less expensive (and much quicker) than tearing up an old slab and pouring a new one. This process is a good way to prepare a cracked and uneven cement wall for painting or other finishing. The first layer is Thin Finish and it should be 1/8 inch thick. J ... Ive already got 2 coats of skim coat on. Roll on a layer of bonding agent. I have known people go down to an inch, but any less needs something like polymer emulsion or epoxy resin screeds for a decent job. Re: Homemade Self Leveling Skim Coat Our floors here are often 4 inch concrete with a 2-3 inch sharp sand/OPC 3/1 dryish mix screed to level. Product instructions generally advise that resurfacing is a viable option if the slab has not cracked all the way through and when damage is limited to cosmetic issues. But a slab with small cracks, chips, and spalls where pieces of aggregate have come loose is an ideal candidate for resurfacing. We did not have said countertops. If you have a concrete garage floor, driveway, sidewalk, or patio that is starting to show its age, you are left with two options: You can demolish and remove the old surface, prepare the base, and pour a new slab; or you can use a resurfacing process to restore the slab to its youthful appearance. Concrete resurfacer is a special cementitious product that blends ordinary Portland cement, fine sands, polymer modifiers, and other additives aimed at providing adhesion. Expect to buy quite a number of bags if you are resurfacing a large slab. Learn tips for creating your most beautiful (and bountiful) garden ever. 1.4kg / m 2 / mm thickness 10m 2 / 40kg bag at 3mm thickness. It's sometimes called a skim coat, a rapid coat, or a thin coat. If you plan to resurface only part of a larger slab, be aware that it is hard to match colors. Make sure that the current temperature is at least 50 degrees Fahrenheit, and that the temperature will stay above 40 degrees for at least the next 24 hours. It's a project that just about anyone can tackle, and it's a lot more affordable than replacing the concrete slab. Open the premixed concrete and scoop some with a flat metal trowel. Smooth the concrete onto the mesh with the trowel until the entire counter top is covered. 2 hours. Use on vertical walls for repairs from 1/8 to 2 inches (3 to 50 mm) or apply it in lifts to maximum 3 inch (76.2 mm) thickness. So if your layer doesn't cover the entire floor you'll need to deal with that by tooling at partial cure, or by skimming with another product such as a vinyl concrete patch. Instead, cover the joints with duct tape to prevent the resurfacer from sticking to them. Skim-coating is the process of applying a thin layer of material, such as cement, over a wall to even out the surface. But they can be tinted with colorants made specifically for concrete products. Concrete resurfacer is a very strong product, rated for a compressive strength of about 4,500 psi. How to Apply an Epoxy Coating to a Garage Floor, Building Your Own Home: a Step-by-Step Guide, Concrete Flooring for Bathrooms: Pros and Cons, Tips for a Better Concrete Garage Floor Slab, Inexpensive Options for Flooring in Basements. Skim Coat is a smooth, sand-free, hydraulic cement-based material used under flooring for patching and skim coating on interior and exterior projects. 6.5 quarts of water were added to each 55 pound bag of Thin Finish. Play some tunes or listen to a book on audio. roll on layer of bonding agent and smooth. I was nervous about this part but once you start, you get a nice rhythm going. Micro Topping (Skim Coat) Micro topping Renovation of old concrete with colored concrete layers not exceeding 3 mm thick. Lots of high and low spots. This highly flexible can be used to damp-proof existing block walls, as a scratch and brown or parge coat, or to build block walls without mortar joints – saving labor compared to traditional masonry construction. 1.2kg / m 2 / mm thickness 20m 2 / 25kg bag at 3mm thickness… Resurfacers are self-leveling, meaning that they don't need to be worked extensively to create a level surface. This preparation involves pressure-washing the slab, repairing significant damage using a quality concrete patch product, and removing any stains from oil, paint, or tree sap. Finally, make sure there is no rain in the forecast for at least 8 hours after application. This product is easily applied with flat to 1/8” v-notched rubber squeegees, brushes, He was. How to Skim Coat Concrete Blocks. The finish will be quite smooth, so you can add texture to the final coat by brushing it with a broom while it is still slightly wet. Mix the Thin Finish with your paint mixer (Image 1). But then I found this little tutorial on using Ardex to skim-coat a wood countertop, over on Kara Paslay’s blog. You may also find both consumer-grade and commercial-grade products available; the commerical grades are designed to be more durable than the consumer grades. This can be hard to determine, but if the height of the slab is offset on adjoining sides of cracks, it is an indication that major heaving is occurring. There are lots of concrete mix products on the market—including mortars, repair patchers, fast-setting concrete mixes—and it can be hard to choose among them. But when the problem is just superficial cracking, discoloring, or minor chipping or spalling, resurfacing is a very good option. Concrete resurfacer is a special cementitious product that blends ordinary Portland cement, fine sands, polymer modifiers, and other additives aimed at providing adhesion. Total basecoat shall be a nominal ¾ inch thickness for lath and ½ inch for direct application to masonry substrates. If you really want to make the surface look new again, it's best to plan on resurfacing all of it. New concrete looks new, and old concrete looks old. Bag of vertical concrete mix from Flex-C-Ment. He has also edited and written multiple articles and books on the topic. The dry powder is mixed with water to form a slurry, which is then spread over the concrete slab using a long-handled squeegee. D. … Apply a second coat to a nominal thickness of 3/8-inch (9.5 mm) brown coat. There are some types of concrete resurfacers designed for use only on concrete substrates, while others can be used both on concrete or as a leveling compound when preparing plywood subfloors for flooring materials. Thorough preparation is the key to long-lasting results when resurfacing concrete. (Not liquid to dry.) Average thickness is 12mm. A number of tools and materials are available to do-it-yourselfers that, in most cases, make skim coating preferable to demolishing and replacing old, damaged concrete. Trowel apply 2-3 coats – no more than 1/16” thick. Usual thickness is 20 mils +/-. (3 mm) 4 Skim coat of stucco material ¼ in. Also, work when the area is most shaded, or at least when the sun's glare is at a minimum. Free pizza and other things that keep me up at night. Apply from featheredge to 1" thick. This does not work for very long, since mortar lacks the additives and bonding agents that allow resurfacer to adhere to the slab. Because of their high polymer content, vertical mixes require no curing. A smooth finish is obtained by applying a skim coat of finish plaster. Sometimes a concrete slab is just too unstable or too badly damaged to make resurfacing possible. Approx. 5:55. Answer: This is the three inch thick concrete which is poured as the covering of the soil in the crawl space. How to skim coat concrete Microtoppings are easily applied with trowels, squeegees, brushes, or rollers, depending on the desired look. Always invest in a true concrete resurfacer when renewing a concrete slab. Score in a horizontal pattern. Concrete should be skim only, unless lath is used. Coat Thickness. Sakrete Surface Bonding Cement is a professional-grade, fiber-reinforced portland cement based coating for concrete block and masonry walls. These tutorials assume the pre-existence of countertops, albeit ugly ones. Apply two coats of StoColor Lotusan at 5 – 7 wet mils, per coat, by brush, roller, or appropriate spray equipment. Easiest wall FIX EVER! Spray the driveway with a hose so the finish will form a strong bond with the concrete.Spread the Thin Finish with a squeegee and wait for it to dry. Concrete resurfacer comes as a dry mix in 40-pound bags or 50-pound pails. Unlike other cement products, it is designed to be applied in very thin coats (no more than 1/2 inch thick), and its additives provide good adhesion to an existing slab. Application thicknesses can range from 1/4 inch to 2 inches or more, depending on whether the overlay will be imprinted with a shallow or deep texture. Repair and renew concrete surfaces by skim coating them rather than demolishing and starting anew. A 40-pound bag typically covers 15 to 90 square feet, and spalls where pieces aggregate... Jeff Beneke is a home Renovation and conversion expert, as you do when a! Years, 1 month ago to two inches resurfacer should not be applied cold! Resurfacer from sticking to them j... Ive already got 2 coats of skim coat of resurfacer with made! To be more durable than the Texture Pave below and will be approximately one-eighth of an inch thick concrete finish. About this part concrete skim coat thickness once you start, you get a nice rhythm going or... 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