To give you some reference, a credit card is about 120 mils thick. The first coat of sealer acts like a primer. This can make it a challenge to apply smoothly to a rough surface. The Winner of the PCI Sidney Freedman Craftsmanship Award, The Precast/Prestressed Concrete Institute announced the winner of the ninth annual Sidney Freedman Craftsmanship Award - The Gate Precast Company for Domino Sugar (New York City) project, Precast/Prestressed Concrete Institute (PCI), How High Dosage Levels of Macro Fibers Are Improving Concrete Slabs. You want to gradually build up a solid surface, so the first couple of layers were lightly skimmed to fill in all the low spots. If you’re looking for something a little more heavy duty, try out this … There is considerable debate about if it is necessary to apply a sealer to concrete driveways and other concrete surfaces, and if so, how often it should be done. But if the old sealer was too thick, or the surface is uneven, immediately repeat the process. The truth is that in the hands of a novice, either tool can be used to apply the sealant too thickly. The patio was sealed with a epoxy type chemical seal when first poured. Concrete crack repairs: Recommended methods for sealing cracks in concrete floors & slabs - How to seal control joint & expansion joint cracks in concrete slabs List of materials used to fill poured concrete slab control joints How to seal a cracked masonry foundation wall or floor slab Typical concrete crack preparation for sealant with an epoxy product Use of Polyurea as a … The high-performance, sustainable and cost-effective concrete durability enhancer PoreShield extends service life of concrete five-to-nine times longer, protecting against water, salt and freeze/thaw damage. Dear Jerry: We had a colored, stamped concrete sidewalk installed a few years ago.The mason told us to seal it every year, which we did. In addition to driveway sealing and commercial sealcoating, Driveway Sealing Call Frank also specializes in infrared pothole repair, crack repairs, parking lot striping, asphalt paving and overlays. Driveway Sealing Call Frank offers an extensive range of asphalt and concrete services. Bubbling is another effect of over-application. Concrete may seem like a solid material, but it’s actually very porous. If you’re applying it to an outdoor surface, make sure to apply it during the coolest part of the day. Concrete sealer problems and the associated call-backs are one of the largest sources of frustration for decorative concrete contractors. It is a heavy duty concrete coating system that easily roll applied. A sealer will help waterproof the surface of your driveway, protect it from future stains, and enhance the color of the stain you’ve used. They can be applied to fresh or cured concrete. Moreover, using a glossy sealer should give the polished concrete more of a sheen. The first layer will have some bare tile spots showing, so don’t try to put this layer on too thick. After all, concrete is somewhat porous; if water and other contaminants manage to seep into the nooks and crannies of your structure, it may result in expensive and possibly irreversible damage. The drying process of water-based sealers is more complicated and is significantly affected by the temperature and humidity of the environment during application. If the layers are too thick, the air will have trouble escaping, forming bubbles in the process. Picture air trying to move through thick maple syrup. Concrete sealers help to keep the surface protected from … Sealer that is applied too heavily or too often will create an impermeable barrier and trap that water vapor beneath it. Going back to the first question of this string, I too have flaking concrete sealer on a poured, stained and stamped concrete patio. The Ameripolish SmartFloor Maintenance System, Iowa DOT Approved Use of New Sealant to Improve Durability of Bridge Decks. This product is multi-purpose; not only will it seal concrete surfaces but it also makes concrete 50% stronger too. Simply apply a concrete sealer, like the Siloxa-Tek 8500, to the exposed aggregate. Valspar Bonding Primer-Sealer is thick and will handle almost any kind of material. Only use epoxy on interior floors & projects. At a typical coverage rate of 300 square feet per gallon, one coat of an acrylic concrete sealer should be about 5 mils thick when wet. A thicker application may require more time to dry. As a good rule of thumb, your concrete sealer should be about 5 millimetres thick once while still wet on the surface. Apply the sealer coatings very thin, most sealer failures are from applying the concrete sealer too thick. For comparison, a sheet of copy paper is about 10 mils thick and a credit card is 120 mils thick. 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