![]() ![]() This feature makes it ideal for skim coating both vertical and horizontal concrete surfaces as it will flow smoothly into any uneven areas without leaving ridges or peaks on the applied layer of cement.Īdditionally, these self-leveling overlays provide excellent adhesion allowing them to form an integral bond with underlying concrete layers while setting properly at a much faster rate than traditional Portland cement mixes. These self-leveling overlays have special binders which allow them to flow evenly over horizontal surfaces. They are often composed of Portland cement, proprietary additives, and silica sand that provides strength and durability even at a thin layer application. Such products are known as self-leveling cement resurfacers and require mixing with water before application. It is important to select the proper resurfacer for the job since not all are suited for concrete foundations.įor the finest resurfacing, you should choose a product that uses finer particles. Skim coating is an important aspect of preparing a concrete foundation for a new coating or finish. What is the finest resurfacer for concrete? ![]() Skim coating is often less expensive than other concrete resurfacing methods such as stamped concrete or exposed aggregate concrete and may also decrease maintenance costs in wet or high traffic areas since it’s more resistant to damage by moisture and abrasion. Additional fees may be incurred if professional equipment needs to be rented. Generally speaking, more layers are recommended for areas that are prone to water collection or freeze thaw damage. While cost can vary depending on the type of material used, the size of the area being skim coated, and the number of layers needed to achieve your desired finish, it typically costs between $2-$4 per square foot. Skim coating concrete is a process of applying a thin layer of cement-based material, such as mortar or plaster, over the concrete to give it a smooth surface. What is the cost of skim coating concrete? Spread topcoat evenly onto scored sections done in step three approximately half-inch thick is ideal coverage for adequate protection and durability benefits of this process Allow it time for setting up you should be able to walk on surface without damage within 24 hours at most, however full strengths may take up 72 hours for curing time period before floor can be safely finished with any materials such as carpeting, tile set morter, etc. ![]() Mix up your finishing topcoat material with similar ratio proportions of cement and hydrated lime as was used in the base coat mixture (3/1 or 4/1), however reduce both materials until they are more finely ground than before add small amounts of water only if needed until desired texture is achieved (approximately ¾ gallon per bag). ![]() Allow this layer to set up from 4–6 hours before proceeding onto step four.Ĥ. Immediately after applying the base coat, use either type of tool again to score in vertical lines into the material for additional adhesion between layers. Spread the base coat evenly onto the section of wall being worked on at one time, using either a metal trowel or flat finish mason’s float. Create your base coat mix by combining cement and hydrated lime in ratios of 3/1 or 4/1, respectively, with just enough water to make it workable in texture but not overly wet (approximate one gallon of water per 50-pound bag of cement). Apply a bonding agent to the concrete block wall, using either an aerosol sprayer or a roller with stiff or short nap.ģ. Allow any residual moisture to dry completely before you start to skim coat the wall.Ģ. Prepare the concrete block wall by cleaning it thoroughly with soapy water and a wire brush. Here is a step-by-step guide for how to properly skim coat your concrete foundation:ġ. Skim coating a concrete foundation is an effective way to protect the surface from water and other damage, as well as making it easier to apply new finishes such as paint or wallpaper. What’s the best way to skim coat a concrete block wall? So, put on your work gloves and join us as we tackle the tough task of skim coating like a pro. Explore the world of concrete foundations with us! Whether you’re an experienced contractor or a first-time DIYer, we’ve got the tips and tricks to show you how to skim coat any concrete foundation with skill and finesse. ![]()
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