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Whether it be slabs, blocks, walls, roofs, piers, beams, pipe, etc., concrete is extremely vulnerable to the industrial society of today. Sulfuric acid is the most damaging to concrete. Automobiles spread sulfuric acid when mixed with water. These products are constantly being spilled in our concrete and absorbed by it through its pores. When placed, concrete begins the hydration process (transition from a fluid state to a solid one). The water begins to evaporate leaving behind millions of little holes known as pores. If you look at concrete under a microscope it would look like a natural sponge. Often the pores create hairline cracks inside the concrete. The faster the hydration process, the weaker your concrete. On the contrary, if you intentionally slow the hydration process down by retarding the moisture's escape from the top surface through sealing, your concrete will cure to a much denser, stronger, harder surface. If not sealed, concrete pores are exposed to a chain reaction of absorption of water from rainfall, and moisture in the air. As this migration is taking place, many other destructive pollutants are also being absorbed into the concrete (random odors, sulfate, salts, lime and all kinds of contaminates), and some of them are held captive in the pores of your concrete, creating rapid decay. Another point: algae, mildew and moss are present on concrete because of the moisture in it. Moisture is the cause these plants and bacteria survive. If the moisture is eliminated by sealing the concrete, you have eliminated a place for these pollutants to exist. On the other end is the alkali problem. Alkali is made up of a combination of elements including hydrogen, lithium, sodium, potassium, rubidium, cesium and francium, all chemical elements which are present in the earth's crust. Because alkali is soluble in water, once the concrete gets wet this becomes a destructive solution. When seal is applied, alkali converts into a gel that hardens and fills the pores, protecting your concrete from harmful chemicals. Simply put, concrete sealing:
Concrete prepping / removal of coatings We remove all sorts of coatings, glues, mastic thinset, paint and epoxy from existing concrete floors. Give us a call to discuss your project. |
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