RLW: The Mixer Minute

  Why Wet Concrete Can Burn Your Skin Many people are surprised to learn that concrete can cause skin burns — but it’s a very real risk. Wet concrete is highly alkaline , meaning it has a high pH level (often around 12–13). When it comes into prolonged contact with skin, it can break down natural oils and cause irritation or even chemical burns. These burns don’t always happen immediately. In many cases, the damage develops gradually, which is why people may not realize it’s happening until it becomes serious. Common situations where this can occur include: Kneeling in wet concrete Getting concrete inside gloves or boots Prolonged exposure during finishing work Symptoms can range from mild irritation to: Redness and dryness Cracking skin Painful burns in more severe cases That’s why proper safety precautions are critical: Wear protective gloves and clothing Avoid direct skin contact Rinse off any concrete immediately Change out of contaminated clothin...

  How Concrete Can Cure Underwater One of the biggest misconceptions about concrete is that it “dries.” In reality, concrete cures through a chemical reaction — not by evaporation. This reaction, called hydration , occurs when cement reacts with water to form strong bonds within the material. Because of this process, concrete does not need air to harden — it actually needs moisture. That’s why concrete can cure underwater. This unique property allows it to be used in major infrastructure projects such as: Bridge piers Dams Foundations below water level Marine construction In fact, keeping concrete moist during the curing process is one of the best ways to ensure maximum strength and durability. When concrete dries out too quickly, it can lead to: Surface cracking Reduced strength Poor long-term performance Proper curing techniques — whether underwater or through moisture retention methods — are essential to achieving high-quality results. 📞 814-290-7221 ...

  Why Concrete Stays Cooler Than Asphalt If you’ve ever walked barefoot on asphalt in the summer, you know how hot it can get. That’s because asphalt absorbs and retains heat, while concrete reflects a larger portion of sunlight. This property is known as albedo , or a material’s ability to reflect solar energy. Concrete’s lighter color naturally reflects more heat, which means: Lower surface temperatures More comfortable walkways and patios Less heat buildup around your home In contrast, asphalt’s dark color absorbs heat, often making it significantly hotter — sometimes by 20–40°F or more under direct sunlight. This difference can have a real impact, especially in areas like: Driveways Pool decks Outdoor living spaces Beyond comfort, cooler surfaces can also contribute to reducing the “heat island effect” in developed areas, where large amounts of dark surfaces trap heat and raise surrounding temperatures. Choosing concrete isn’t just about durability — it c...

  Why Concrete is the Most Widely Used Material in the World Concrete is the most widely used man-made material on earth — and it’s not even close. From residential driveways and patios to highways, bridges, and skyscrapers, concrete plays a critical role in nearly every type of construction. Its popularity comes down to a combination of strength, versatility, and cost-effectiveness. Concrete is made from a mix of cement, water, and aggregates like sand and stone. When combined, a chemical reaction called hydration occurs, allowing the material to harden and gain strength over time. Unlike many materials, concrete doesn’t weaken as it ages — it actually continues to gain strength well beyond the initial curing period. Another reason concrete is so widely used is its adaptability. It can be: Poured into almost any shape Finished smooth or textured Stamped to resemble stone, brick, or wood Colored to match a variety of aesthetics This makes it ideal for both structura...