Apply from featheredge to 1" thick. If the silo walls are smooth and nonporous, use QUIKRETE® Concrete Acrylic Fortifier as part of the mix water. Keep the cement moist with a spray bottle as you use a smoothing paddle to smooth out any uneven spots. Features Flexible Encapsulated Polymers for a beautiful, smooth waterproof finish. 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. https://www.concretenetwork.com/concrete-wall-covering/mixed.html You can use hydraulic cement to prevent such issues, as it is a water-resistant product. Pour small portions of … The process involves applying a layer of cement over the concrete block wall to cover grout lines or stains and give the surface a … Continue to mix and add the powder until it is the consistency of thick wallpaper paste. 253 Posts . Skim-coating a cement wall takes some effort but the skill needed can be attained in a just a few minutes of doing it. His writing has appeared in software manuals for Human Arc and on the CDs "Small Craft Advisory" and "Impersonating Jesus." Scrape the wall lightly with a 6-inch drywall knife to remove any loose cement or other substances stuck on the wall. Apply 1/8 to 1/2 inch of cement, or enough to cover the grout. Removing Skim Coat From Basement Walls. I have an old foundation and the appearance on the inside isn't very attractive. A nature-friendly coating that cures into a waterproof membrane. Skim-coating or resurfacing concrete patios, walkways, driveways, walls and stairs not only renews their appearance, but it extends their lifespan by improving drainage and waterproofing. Skim coating can freshen up old concrete blocks and give your home or a wall on your property a new look. Start by Prepping the Walls. Mix the cement with the water using an electric drill with a stirring bit installed. Is the paint causing the blistering? . Wall Spray™ is a concrete wall spray overlay that is a cement-based overlay designed for both interior and exterior vertical surfaces. How to Resurface Concrete Walls. Consequently, how do you resurface concrete basement walls? I’ve been scraping the loose concrete (sometimes going as much as ¼ of an inch deep) and skim coating with mortar or thin set, but then the blistering migrates to the perimeter of the repaired area. Use a similar motion on inside corners. He holds a Bachelor of Arts in history and journalism from the University of Nebraska-Omaha. Use the flat side of the trowel to smooth the cement. Dip a 3 in (7.6 cm) paintbrush into the liquid bonding agent and use it to coat the wall from top to bottom. He wrote news, sports and feature stories for the "Omaha World-Herald" and other publications and has continued on in direct marketing and general advertising. By creating an account you agree to the Hunker. Apply a concrete bonding agent to the cleaned wall. Fill the trowel about halfway with cement. When waterproofing basement walls with it, brush or roll the paint on thickly enough to fill all the little surface holes, then allow it to dry fully before a second coat is applied. Remove excess cement with the edge of the trowel, using a scraping motion. Apply a thick enough coat to cover the surface with an even coat of cement. The process involves applying a layer of cement over the concrete block wall to cover grout lines or stains and give the surface a smooth appearance. How to Clean Grease Spots From Knotty Pine Walls, YouTube: Kirk Giordano Plastering, How to Skim Coat Over Cinder Block Walls, ConcreteNework.com: Tools for Applying Cement-Based Overlays, How to Make Perfect Corners for Sheetrock Walls, How to Repair Interior Wall Cracks & Nail Pops. This method is best suited for walls that are in very good condition and DO NOT need to be patched or repaired extensively. Actual costs will depend on job size, conditions, and options. He has attended Lorain County Community College as well as Cleveland State University. It is a 1939 house and has an old skim coat on it, which has been coming off for some time, both outside and inside. With multiple uses, the … What Ornamental Grasses Will Soften the Look of a Cement Wall? We are experts at all skim coating plaster or drywall call today! He also has worked in building maintenance since 2004. Apply the First Layer of Thin Finish. A cement wall can be evened out with the process of skim-coating. We have to be there during a rain storm or use a garden hose to run water. How to Use Thinset Morter to Resurface Concrete. Question: I'd like to apply a skim coat to my basement wall. Keep the layer as smooth as possible to ensure the veneer fits evenly on the wall. https://homeguides.sfgate.com/skim-coat-concrete-blocks-80866.html Remove excess cement using the edge of the trowel in a scraping motion. When working on an outside corner, start on one side of the corner and spread the cement over the edge and to the other side. Hunker may earn compensation through affiliate links in this story. The Easiest And (Cost Effective) Way To Stucco Basement Walls: Basically, the easiest way to stucco the interior of a basement wall would be to “skim coat” it by applying a coat of a stucco finish material, whether this is a traditional type of stucco finish or an acrylic finish. Use the trowel to scoop cement out of the bucket and onto the trowel. © Copyright 2020 Hearst Communications, Inc. I was at a big box store and saw a bag of cement costs $8 whereas a similar size bag of "concrete resufacer" costs $25. To estimate costs for your project: Hello, this is my first time posting on this forum so please excuse my learning curve. I'll need to remove the old skim coat and want to know the best way to do this. It offers a wide variety of finishes from a simple knock-down to a sophisticated faux Venetian Plaster. The simplest solution to get a smooth wall is to attach furring strips to the concrete and then drywall to that. Skim coating can freshen up old concrete blocks and give your home or a wall on your property a new look. Without the hassle of ripping out all the drywall or plaster from the walls and ceilings. Start at the top of the wall, near a corner. Move any indoor or outdoor furniture away from the wall or cover it with plastic sheeting if it must remain near the wall. Remove any loose debris. 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