Well done, thank you! When you acid etch concrete, wear long sleeves, gloves, eye protection, and a face mask to protect yourself from stray acid. Yes. wikiHow is where trusted research and expert knowledge come together. Acid etching is done to prep a concrete floor before applying the coating. It is usually sold as a 31 percent solution by volume and should be diluted to 10 or 15 percent for concrete washing, using about 1 gallon for about 50 square feet. Cemtetch® is an industrial cleaning and acid-based concrete etching solution. Prepare bare concrete for coating and staining with Rust-Oleum® EPOXYSHIELD Concrete Etch. Concentrate: Add water to make four gallons of etching solution out of one gallon of product. Step 5 Rinse the concrete surface with a garden hose. Spread the water and make sure it is not pooling or puddling, the concrete should remain this wet throughout the acid etching process. More + Product Details Close EAGLE ETCH & CLEAN is specially formulated to clean and remove minor efflorescence from concrete surfaces. All products found on hcconcrete.com may not be stocked in Sherwin-Williams stores, but can be ordered. Allow newly poured concrete to cure for a minimum of 28 days before etching. % of people told us that this article helped them. Will etching concrete remove stains/discoloration left by carpet glue? If there are spots where the acid isn't reacting, this can be a sign that an unnoticed grease stain or sealant was present on the concrete. It was A-to-Z on etching concrete and stain application, it was very helpful. ", "Needed to know how to etch concrete before applying cool kote around pool. Great advice.". Please note muriatic acid is dangerous and must be diluted before use. ElectraEtch Acid Etching Solution ElectraEtch is a concentrated formulation containing Hydrochloric (muriatic) Acid, detergents and surfactants. Acid Etching Concrete Floors without the Fumes and Hazards. This gave me more confidence in how to do, "Excellent, straightforward instructions, from prep of cleaning solution, application of solution, clean up, to, "Although I've never etched concrete before, the article reinforced what I knew about handling chemicals, it's a, "It was great, I learned a lot. Muriatic acid can cause severe damage to your eyes, skin, nose, throat and … Your Cart ", "Easy to read, helpful steps. Once it's etched it remains good for a long time provided you don't clog the pores up somehow eg by spraying it with water seal or painting it or perhaps just by getting it dirty. ", "Clearly described steps. Muriatic acid is the product that has traditionally been used for concrete etching, but there are other substances available that can accomplish the same goal. If you're unsure of whether you have the right type of acid, check the label on its packaging — most suitable products will mention that they can be used for concrete etching purposes. Other suitable acids for etching include phosphoric acid and sulfamic acid. If the substrate is sealed with a paint, the liquid cannot reach the intended target. Thanks to all authors for creating a page that has been read 239,478 times. ", anything to the information, especially the importance of safely handling this dangerous product. The floor needs to stay wet the entire time you are acid etching. Treats about 300-500 sq ft. For a general, all-purpose acid neutralizer, try mixing 1 cup of baking soda in 1 gallon (3.8 L) of water, then mixing until it dissolves. Apply sealant or epoxy. Based on organic citric acid, it is biodegradable and non … If you accidentally pour acid into the first container first, you can pour water into the second container and then transfer the acid to it to easily correct for your error. The solution will help prolong pad life while enhancing etching action of dense concrete. {{ ctrl.reviewStats.RecommendedCount }} of {{ ctrl.reviewStats.TotalReviewCount }} ({{ ctrl.averagePercentage }}%) reviewers would recommend this item to a friend. For acid etching, a muriatic (hydrochloric) acid solution is spread on the concrete and brushed across the surface with a floor machine equipped with nylogrit brush used for etching and then is rinsed away. Subtotal: $0.00. Inspect the surface as the acid works. The acid needs to be able to touch every part of the concrete's surface to react properly with it. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Achieve the maximum adhesion, durability, and protection offered by Rust-Oleum® EPOXYSHIELD. A phosphoric acid-based solution that opens the pores in the concrete so H&C® Concrete Stains and sealers can bond properly with the substrate. Though it's also possible to prepare the concrete manually by abrading it with a grinder, acid etching is generally much less labor-intensive. … If you have properly applied the concrete sealer, the only thing that will be affected is the sealer. EFFLORESCENCE CLEANING: Before application, determine if the efflorescence or calcium is on the surface and can be scraped with a knife or other scraper. If I etch a sealed concrete floor and wash it off, will it not be slippery since the sealant is gone? ", as given me confidence to be able to do the task in hand. Does a great job without the mess and dangers of traditional acids. Keep the acid etch solution on until it stops foaming. It is non-corrosive – does not burn skin or the lungs. Do I wait days or weeks before I start the etching process when I have just laid the self leveling compound today in my garage? "Was looking for a quick review on acid/water ratios, but found the entire article to be very informative and, "Great article, you covered it all. Read all label instructions before application and wear the proper safety gear when applying. When the acid etch solution stops foaming you can begin rinsing. ", "This article gave me a good feel for the procedures needed. Remember to particularly heed the advice on handling acids. All tip submissions are carefully reviewed before being published. Acid etching is the process of applying hydrochloric/muriatic or buffered phosphoric acid to a slab, then rinsing it off with water. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. After etching a foundation wall to accept veneer stone, how long do the pores "stay open" to accept the mortar to attach the stone? … Include your email address to get a message when this question is answered. View More ({{docTableCtrl.curHearsRows}} of {{docTableCtrl.skuArr.length}} records loaded). Approved. Most detergents are formulated to dissolve oil and grease, making them perfect for degreasing your concrete surface. Wear long sleeves, gloves, eye protection, and, if necessary, a face mask to protect against any fumes. Oil or Grease Stained Floors: If your concrete oil/grease on the floor, use a cleaner/degreaser a few times and then follow the etching directions. Find out how much paint you will need by using our online paint calculator. ", "This helped me a lot. One commonly recommended paint stripping solution is a muriatic acid wash. Test the absorbency of a concrete floor by dropping a couple of small beads of water on the floor. Thank you! Reviews sorted by {{ctrl.selected_sortOrder.label}}, Reviewed by {{ ctrl.reviewStats.TotalReviewCount }} customers, Store number must be either six digits or alphanumeric (ex: 123456 or A12345), Get the latest inspiration on color and cutting edge design. and I could not add, "The all of article is of value to me as I might have made some errors especially on the safety side of things. In other words, how soon does the veneer have to be attached after the wall has been etched.months? Mix 1 part cleaning solution … Even small pieces of debris can interfere with the reaction, potentially causing an uneven etching. Etching Concrete With Vinegar Acid etching with vinegar is easy and less labor intensive than using a machine to pretreat the concrete floor before sealing or painting. The product will probably need to be diluted with water. This article received 15 testimonials and 98% of readers who voted found it helpful, earning it our reader-approved status. By signing up you are agreeing to receive emails according to our privacy policy. After use, rinse thoroughly (3 times) to ensure no etch remains on the surface prior to coating Days? The depth of the concrete etching achieved with this product is the same as hydrochloric or muriatic acid with 80% less odor and a more uniform etch than liquid concrete etching materials. Put on protective gear. This article has been viewed 239,478 times. Mixing Acid Etch Instructions The concentrated acid solution must be diluted with water prior to use. A one step concrete etch and clean solution that brings back a new look surface. We use cookies to make wikiHow great. Very helpful. Use when you need a deep etch and are not able to use a grinder. Protective Concrete Coatings & Waterproofers. Seal-Krete Clean-N-Etch is an etching solution used to clean and degrease bare concrete surfaces to improve penetration and adhesion of paint, stains, or sealants. {{ctrl.avgRatingForScrReaders}} Star rating out of 5. Klean-Strip® Muriatic Acid can be used to etch concrete, brighten concrete and masonry, or remove excess mortar from bricks. Clean-N-Etch is biodegradable and safe to use near grass and plants. It is great for etching concrete for painting, which ensures excellent bondage of coatings and is … You'll also want to give the area a good sweeping to remove accumulated dust, dirt, or grime. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. The concrete etching solution can be poured out, distributed using a squeegee, and agitated the surface using a push broom. My carport will look so much better. Information on staining surfaces such as basements and garage floors. You can hurt yourself through carelessness and kids should be kept away while this is being done. This operation is not a video game. Last Updated: March 28, 2019 Concrete that hasn't been treated in any way after being poured can be too hard and smooth to accept paint or protective sealants. If the acid's fumes are strong, use a breathing mask with acid vapor cartridges to prevent injury. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. thorough for those who have never tried this. Proper handling is imperative because the acid is in liquid form. Will acid remove stains from concrete floors? To create this article, 16 people, some anonymous, worked to edit and improve it over time. Chemical safety glasses or goggles with face shield. The preparation usually involves cleaning the surface to remove oil and other unwanted contaminants then “profiling” the concrete by etching with acid or by mechanical abrasion. 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