Coating strippers in gel form will not evaporate away as quickly as a standard low viscosity stripper. Concrete sealing pros and cons problems that can arise voice and discussion with CRS Another, often overlooked source of concrete dampness is morning dew. Coating problems can include surface bubbles (aka solvent pop), peeling/flaking, white spots (aka blushing), fading (loss of shine). Acrylic sealers are very predictable sealers, and there are only a few factors that could cause acrylic sealer problems. Depending upon your geographic region (eg Arizona vs Illinois) the degradation can vary. Place the roller on the bubbled acrylic coating and begin to roll back and forth repeatedly. To do this, tape a section of plastic--approximately 2-by-2-feet--to … Acrylic sealers form a protective film on top of concrete that forms a resistant barrier. Acrylic sealers work by forming a protective film atop the concrete. This is a bad idea mainly because most exterior acrylic sealers have a lower solids content to allow moisture vapor to pass through rather than being trapped below the coating. So we know all the hard truths about concrete. If you just cleaned your concrete to apply new sealer, give the surface a couple days to dry. Apply minimum downward pressure to avoid pushing the acrylic off of an area as it softens up. Continue to monitor the treated acrylic to make sure that it does not turn white again. Oil based acrylic sealers (a.k.a. UNISEAL can be applied to all dry surfaces, its gloss will depend on porosity of surface and number of coats applied and can be varied as required. If you have any doubts about rain, hold off and plan to seal on another day. Water Repellent … Concrete Sealer Review continues to be a trusted resource for concrete and brick paver sealer tips and advice from professionals throughout 2020. High ph cleaners with sodium hydroxide can effectively cut though oil and grease stains in addition to removing dirt and grime. Increased temperatures and direct sunlight are known contributors to surface bubbles. To reduce acrylic treatments, apply high quality sealers that have better resins such as the Foundation Armor AR350 and AR500. Major concrete sealer chemistries commonly used in 2014 This ... Acrylic Resins: Acrylic resins form a topical film membrane on the substrate surface. Ice melts will degrade the concrete below the coating at a chemical level while water freeze thaw cycles spall (chip) the concrete though expansion and contraction. Many people have forgotten to do this and it’s frustrating. Otherwise, the coating may need to be stripped off and reapplied. The film protects the concrete in much the same way that a raincoat protects its wearer. You can apply a small amount of Xylene to an area of your concrete. As previously noted, remember to keep the surface dry for 48 hours after repairing the coating. Thin applications are the simple answer to many acrylic sealer problems contractors face on decorative concrete projects like stamped and stained concrete. Concrete left to the elements for years without retreatment may eventually look as if it was never sealed or worse, damaged. Using a stiff bristle brush to work the solvent into the old coating helps loosen it. If the air within the concrete (below a fresh coating) is cool and begins to heat up quickly, it will expand and exert pressure on the soft, fresh coating, resulting in surface bubbles. resistance to abrasion, dusting, staining, cracking, spalling). If you like your concrete floor to … Premium strippers from your local hardware store in the paint section in conjunction with a pressure sprayer will help remove problematic coatings. Talk to the team at Allcon. Some dyes (eg solvent release) below the old coating may be affected by certain strippers. water based acrylic, wax, urethanes and epoxy), poor surface preparation prior to application (e.g. This deterioration leads to aesthetic and structural problems as well as safety concerns. Results may vary depending upon the quality of the acrylic resin and moisture content within the concrete. To protect concrete flooring, most companies opt to add acrylic concrete sealers. Fortunately it’s not the end of the world because the surface can be repaired but this mistake will cost you time and a little bit of money. Scratching/Scuffing: Scratching and scuffing are common problems. Dawn dish soap and simple green are also options for light concrete cleaning. Depending on weather conditions, drying time is 4-8 hours between coats. What are Acrylic Concrete Sealers. Our formulas, which are derived from only the highest quality blend of resins, are ready to apply right out of the container. First, try to apply the oil based acrylic sealer after the concrete has warmed up and the sun is not shining too intensely on the surface. These solvent products will melt/soften the acrylic coating (re-emulsify) which will allow moisture to escape and allow the coating to dry clear again in most instances. Examine the back of the flaking sealer to see if there is any debris or concrete particles. Nov 23, 2017 - Explore Amy Fullerton's board "Concrete sealer" on Pinterest. Get expert advice on how to fix concrete sealer problems. Polyurethane sealer is almost twice as thick as an acrylic concrete sealer. Like with most painting jobs, you'll brush the corners and near the walls and roll the rest. With low traffic and when applied inside, acrylic coatings can easily exceed the average maintenance window. Concrete cured more than 28 days can take either a straight sealer or a cure-and-seal product. After letting it sit for 20 … Prior to repairing the entire surface, test a very small area to confirm results. Frequent causes of blushing include applying solvent acrylic to surfaces that are damp, rain or sprinklers hitting a freshly sealed surface (within 48 hours of application), applying too much acrylic initially or later after years of re-coating (trapped moisture). the surface that has been caulked), stretching in gaps that widen slightly over time. In most cases, three or more coats will block the salts, provided the first coat has adequate adhesion. For more information about concrete sealers, simply click here to get in touch with us today. Problem: white or cloudy patches under the concrete sealer. Acrylic concrete sealers are concrete sealers that bond to the surface of the concrete, and enhance it with a wet look, low gloss, or high gloss finish. Sealers are a great way to improve slip resistance, protect the concrete surface from weathering and improve ease of cleaning. ConcreteSealerReviews.org May 3, 2017 Acrylic Sealers. 866-306-0246. 866-306-0246. may cause the sealer to exhibit signs of wear, and some may believe that the sealer has gone! For dirty concrete without excessive oil staining, concentrated concrete cleaners such as the Armor ER100 are an excellent choice. Here we have an updated article about the constraints of choosing an acrylic-based paver sealer for your patio or driveway. If the sealed area cannot breathe due to standing water, water trapped below the coating can cause excessive pressure resulting in failure of the coating. It resists peeling, flaking, cracking, and pitting. Common Acrylic Concrete Sealer Problems & How To Prevent and Fix Them. If it rains or the surface somehow becomes wet (e.g. Bright, sunny environments will usually dull a gloss coating quicker than a region with more cloud cover. If the first application does not completely clear up the coating, the process can be repeated (wait 24 hours before repeating process). After application, sealers undergo a chemical reaction that causes them to cure and form a film. Another contributing factor of surface bubbles (often overlooked) is a rapid increase of the concrete temperature. In situations where very high concentrations of groundwater salt occur, sealers can delaminate in small areas due to crystallisation of salts between the sealer and the concrete, particularly if the concrete has not been prepared correctly and the sealer does not key into the surface. Once the first coat dries, it slightly congests the substrate pores to reduce the amount of material needed for the second coat. Most acrylic sealers will darken concrete and leave a glossy shine to some extent, giving the concrete a “wet look”. Prior to re-emulsifying a bubbled, solvent acrylic coating, make sure that the coating has cured for at least 24 hours and that the weather will remain clear for 48 hours following the treatment. Roll the surface with Armor Blush Repair or Xylene for about fifteen to thirty seconds with little downward pressure and let it dry for 24 hours before re-evaluating. By … Moisture can also become trapped below excessive acrylic buildup. sprinklers) prior to 48 hours of curing, the coating could blush (turn white) which is a separate issue. Back How To Stain & Seal Concrete Back How To ... Back Problem Solver Back Special ... Use a top-quality, water-based, all acrylic, or siliconized acrylic caulk or sealant if prolonged contact with water is not anticipated. To repair a solvent acrylic coating that has blushed/turned white, start by considering re-emulsification and only strip off old acrylic if this treatment fails. The sealer simply covers the concrete surface with a water resistant barrier. Removing dirt and debris from the concrete pores allows the sealer to penetrate and bond well. There are more environmentally friendly strippers but solvent strippers with MEK and Methylene Chloride are the most aggressive. White Spots and Blushing: The most common acrylic sealer problem is blushing. Simply knock the bubbles off the surface and apply another coat when the surface is cooler. For the best experience on our site, be sure to turn on Javascript in your browser. These caulks are flexible enough to adapt to minor fluctuations in the substrate (e.g. If you apply an acrylic sealer to an overly porous surface like clay brick, slate, or flagstone, you run the risk of having the acrylic sealer fail anywhere from 1 day to … TYPICAL APPLICATIONS: As a clear sealer to concrete slabs, protection of concrete from oil and grease stain and dust proofing of concrete. Unlike solvent acrylic coatings, these coatings need to be scuffed/sanded to about 80 grit for additional coatings to bond. Solvent/oil based acrylic sealer peeling and flaking (failure) can result from a number of causes including previous sealers which are incompatible (e.g. Acrylic concrete sealer helps reduce damage and deterioration caused by surface abrasion, freeze-thaw cycles, and chemical exposure. Product quality is often overlooked in favor of pricing and immediate convenience. For exterior applications, photo degradation (sun exposure) and surface abrasion will eventually breakdown the solvent acrylic coating with time. The Acrylic Concrete Cure & Seal product is a dual-purpose water-based solution that cures concrete while also providing a protective acrylic film for the surface of your concrete. Re-emulsification is simply applying a solvent product that will soften up a solvent acrylic coating and melt it down smooth before it re-cures hard again. Hot water pressure washers with a turbojet nozzle are ideal but cold water sprayers with solvent strippers will work. If moisture is only trapped in the coating and not below it, the Armor Blush Repair or Xylene should clear up the coating. Research Decorative Concrete Concrete Network Home. In order to prevent scratching on an interior application, use a floor wax for an additional wear layer of protection. Many people don’t realize that oil based/solvent acrylic sealers will chemically soften an existing, fully cured solvent acrylic coating and bond without any sanding (no true recoat window). solvent acrylic or wet look sealers) are commonly used on exterior and interior concrete for aesthetic appeal and concrete protection (e.g. Watch out for Mother Nature, while not always predictable, it’s a good idea to check your local weather forecast. Armor AR350 Solvent-Based Acrylic Concrete and Paver Sealer. water based acrylic, wax, urethanes and epoxy), poor surface preparation prior to application (e.g. Many concrete sealer manufacturers are forced to provide lower quality sealers to larger retailers due to pricing constraints. The most common acrylic sealer problems, and the cause of those problems, are detailed below. Address: 50 Merrindale Drive, Croydon South, Victoria 3136Phone: 03 9839 7000Email: sales@allcongroup.com.au, 5 common concrete sealer problems and how to solve them, Problem: white or cloudy patches under the concrete sealer, Problem: white salt deposits visible on the surface of the concrete sealer. Light coats help retain surface breathability and keep product cost down (less volume). After cleaning concrete, rinse it well and give it adequate time to dry before applying solvent/oil based acrylic. This will reactivate the sealer and hopefully allow the moisture to escape. 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