Tool Time Thursday: Straight Lines with the Chalk Line

📰 Introducing: RLW — The Mixer Minute

📰 Introducing: RLW — The Mixer Minute Your new go-to source for all things concrete. At RLW Concrete LLC, we know concrete inside and out—but we also know that not everyone does. That’s why we’re launching The Mixer Minute , a fresh new blog designed to educate, inspire, and connect with our customers and community. Whether you’re a homeowner planning your first patio, a DIYer with questions about finishing tools, or just someone who wants to learn more about the materials under your feet—we’ve got something for you. 👷‍♂️ Who We Are About RLW Concrete LLC RLW Concrete LLC is a family-owned business serving Central PA and the surrounding areas since 2010. Founded by Ryan and Robin Welder, our company is built on the values of family, integrity, and high-quality work. We’re proud to deliver exceptional service to every client, and we treat every job—big or small—with the same attention to detail and care. 🛠 What You’ll Find on The Mixer Minute : We’re kicking off the b...

Concrete 101: Understanding the Concrete Mix – What’s in the Bag?

🧱 Concrete 101: Understanding the Concrete Mix – What’s in the Bag? New to concrete? No problem. Whether you're pouring a slab for a shed or managing a new driveway install, it helps to know what’s actually in a concrete mix—and why it matters. At its core, concrete is a simple recipe: cement , aggregates , and water —but slight changes to that recipe can have a big impact on how your project performs. Let’s break down what goes into a standard mix and what each ingredient can do for your concrete. 🧪 The Basic Ingredients 1. Cement Cement is often confused with concrete, but it’s just one part of the mix. It's the binding agent —when combined with water, it reacts chemically (a process called hydration ) to create a paste that hardens and glues everything together. Most mixes use Portland cement , which is widely available and compatible with a variety of applications. 2. Aggregates ( Sand and Gravel ) Aggregates give concrete its volume and strength. These can ...

Why It Matters Wednesday: Why Pozzolans Matter

Why Pozzolans Matter Concrete is more than just cement, water, and stone. One of the most important ingredients used to improve concrete performance is something called a pozzolan . Pozzolans play a critical role in making concrete stronger, more durable, and longer lasting. What is a Pozzolan? A pozzolan is a material added to concrete that reacts chemically with calcium hydroxide during the curing process. This reaction strengthens the internal structure of the concrete and improves its overall performance. Common pozzolans include: Fly ash Silica fume Slag cement Natural volcanic materials These materials enhance concrete beyond what cement alone can achieve. Why Pozzolans Matter Pozzolans significantly improve concrete quality in several ways: Increased Strength Pozzolans strengthen the internal bond within the concrete, resulting in a stronger final product. Improved Durability Concrete with pozzolans is more resistant to weather, moisture, and wear....

RLW: The Mixer Minute

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