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Reference

How a metal fence
is actually built.

Plain, direct definitions on coatings, gauge, and standards — no marketing spin.

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6 articles
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AUGUST 10, 2026

What Is Aluminum-Zinc Coating? The Difference Between a Fence That Lasts and One That Rusts

Aluminum-zinc coating — often called Galvalume — is what keeps a metal fence from rusting. Here's what it is, how it works, and what PPGL and AZ150 actually mean.

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AUGUST 3, 2026

What Is AZ150?

AZ150 is an aluminum-zinc coating weight — 150 g/m² of coating on metal, per ASTM A792. What the code means and why it matters.

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JULY 27, 2026

Galvanized vs. Galvalume®: What's the Difference?

Galvanized coats metal with zinc; Galvalume uses an aluminum-zinc alloy. How each protects metal — and why neither is universally better.

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JULY 20, 2026

What Are the Layers of a Metal Fence Coating?

A prepainted metal panel has three coating layers — a metallic anti-corrosion layer, a primer, and a color topcoat. Here's what each one does.

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JULY 13, 2026

What Does Metal Fence Gauge Mean?

Fence gauge measures panel thickness — and a bigger number means thinner metal. What gauge tells you (heft, dents) and what it doesn't (stiffness).

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JULY 6, 2026

What Is HVHZ (High-Velocity Hurricane Zone)?

HVHZ is Florida's High-Velocity Hurricane Zone — the Miami-Dade and Broward code region with the strictest wind rules. What it means for a fence.

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