WHY GALVALUME AZ 100 STEEL IS THE RIGHT CHOICE FOR COASTAL AREAS

Living or building a house near the coast comes with its own challenges. One of the biggest issues is the salty, humid air, which accelerates corrosion of building materials, especially roofing structures. Choosing the right material is key to a durable and long-lasting home. A smart solution? Lightweight steel coated with AZ 100. But what is AZ 100, and why is it ideal for coastal environments? Let’s break it down.

What Is AZ 100 Steel?

AZ 100 steel is lightweight steel coated via hot-dip with a zinc–aluminum alloy—commonly known as Galvalume or Zincalume. The "100" denotes the coating mass of 100 g/m² (50 g/m² on each side)

Advantages of AZ 100 Steel in Coastal Environments

1. Corrosion Resistance 3–4× Stronger

The combination of 55% aluminum, 43.5% zinc, and 1.5% silicon creates a dual-protection layer: aluminum acts as a physical barrier, while zinc offers galvanic protection. Studies show this blend resists corrosion 2–4 times better than standard galvanized steel.

2. Long-lasting Material Life

Thanks to this robust coating, AZ 100 steel can last up to 50 years with proper care. That's especially valuable in coastal areas where salt air accelerates wear .

3. Lightweight Yet Strong

Though lightweight, AZ 100 retains high structural strength and withstands heavy loads and high winds—common in coastal areas. Some sources even say it's more durable under stress than pure aluminum.

4. High Heat Reflectivity = Energy Efficiency

The aluminum layer reflects solar radiation, helping reduce indoor heat. That means lower cooling costs and less thermal stress on the building .

5. Easy to Handle and Install

Despite its heavy-duty coating, AZ 100 remains light and easy to install. One ton covers about 4–5% more area than equivalent galvanized steel—efficient and strong .

6. Low Maintenance & Eco-Friendly

Galvalume steel rarely needs re-coating or frequent cleaning. Plus, it's fully recyclable—perfect for eco-conscious building practiced.

Final Thoughts

For homeowners building near the coast, choosing AZ 100 lightweight steel is a smart investment. It delivers unmatched rust resistance, strength, longevity, and lower maintenance. Instead of risking premature degradation with standard steel, go for material designed for harsh environments.

We recommend GarudaTruss AZ 100 lightweight steel—built to SNI standards and quality-tested. You can find this product at TokoPJM, and right now, every purchase of GarudaTruss AZ 100 comes with a special promo and gift! Your home stays protected, and you get an extra bonus.

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