In Texas and beyond, steel isn’t just a building material it’s a decision-maker. According to the Metal Roofing Alliance, metal roofs have seen a 300% increase in market share over the past decade. And steel siding? It’s making just as strong of a mark in commercial and agricultural builds.
But when it comes to choosing steel roofing and siding, one size doesn’t fit all. Different applications call for different panel profiles, gauges, fastener types, and installation strategies. Making the right choice can mean the difference between a flawless finish and costly callbacks. So let’s break it down.
Steel Roofing and Siding: Same Material, Different Roles
Steel is prized for its durability, longevity, and weather resistance. But how you use it on a roof or on a wall makes all the difference.
The Role of Steel Roofing
Roof panels have a tough job. They take the brunt of sun, wind, rain, hail, and temperature extremes. That means:
- Strength and slope matter. Look for panels that meet uplift ratings like UL 580 and impact resistance like UL 2218.
- Concealed fasteners are often preferred in roofing applications especially with standing seam or mechanical lock systems. They help prevent water infiltration and create a clean, architectural look.
- Long panel lengths (up to 53′) reduce seams and speed up install time, especially helpful in large-scale builds across Texas.
The Role of Steel Siding
Siding needs to stand up to weather, sure but also to time. That means:
- Aesthetic options matter more. You’ll see a wider variety of profiles, finishes, and rib patterns on siding panels.
- Exposed fasteners like those in PBR, U Panel, or Ag Panel systems can work well especially when installed properly.
- Orientation flexibility. Steel siding panels can be installed vertically or horizontally depending on design needs, offering more visual variety than roofing panels.
Roofing vs Siding Steel: Key Differences to Consider
Choosing the right metal panel types starts with function. Here’s what separates a good pick from a great one.
Panel Profile & Fastener Type
- Roofing typically calls for concealed systems like Snap Lock or Mechanical Lock—ideal for low slopes and high exposure.
- Siding often uses exposed fastener panels like R Panel or 5V Crimp for easier install and visual interest.
Panel Gauge & Finish
- 24-gauge Galvalume is common for both, but siding may offer more 26-gauge options where budget or aesthetics take priority.
- Consider paint system longevity PVDF finishes offer better fade resistance, which matters for siding that faces direct sun.
Load & Certification Requirements
- Roof panels need to meet uplift resistance and weather ratings (check for TDI approvals in Texas).
- Siding should account for impact zones and wind ratings but usually doesn’t face the same uplift demands.
Metal Panel Types: What Works Best Where?
At Quality Metals, we’ve seen which panel types consistently deliver these combinations are trusted by crews across Texas for a reason.
| Application | Recommended Panel Type | Why It Works |
| Low-slope roofing | ML-100 or ML-150 | TDI-rated, concealed fasteners, watertight |
| Residential siding | U Panel, 7/8” Corrugated | Lightweight, aesthetic-friendly |
| Commercial roofing | PBR or Snap Lock | Strength + speed, solid weather performance |
| Ag buildings | Ag Panel, R Panel | Budget-friendly, easy to install |
Siding Installation Tips That Save Time and Headaches
Great materials deserve great execution. When it comes to siding installation tips, here’s what separates pro-level installs from DIY disasters:
- Start level. Your first panel sets the tone. Use a laser level and don’t rush it.
- Account for thermal expansion. Especially with long horizontal runs—leave room to breathe.
- Seal smart. Use butyl tape and foam closures where needed but don’t over-caulk. Let the system do its job.
- Use color-matched fasteners. It’s a small detail with a big visual payoff.
- Trim clean. Invest in proper trim cuts and flashing. Sloppy edges undermine a professional finish.
Why the Right Steel Matters More Than Ever
Choosing the right steel roofing and siding isn’t just about what’s cheapest or fastest it’s about what holds up. Texas sun? Gulf storms? Coastal humidity? A quality panel system built for the job will pay off in fewer service calls, stronger warranties, and happier clients.
Whether you’re outfitting a warehouse, framing a retail buildout, or updating an ag barn, the right product in the right place makes all the difference.
Let’s Build It Right the First Time
At Quality Metals, we stock certified, field-tested systems designed for both steel roofing and siding engineered for performance, and backed by real warranties. Our team can help you choose the right panel type, color, gauge, and accessories to make sure your next project looks sharp and performs even better.
Ready to find the best panel for your next job?