1. Introduction
Metal-clad exteriors are having a major moment. Just 48 hours ago, the 2024 International Builders’ Show spotlighted dozens of metal clad house designs featuring corten steel facade panels, zinc clad dormers, and vertical standing seam metal siding—proving that durability and aesthetics can go hand-in-hand. Whether you’re building a metal clad shed or upgrading your home’s curb appeal, knowing how to properly install and maintain metal clad walls is key.
In this guide, you’ll learn how to choose the right clad metals, install them correctly, and keep them looking sharp for decades. We’ll cover everything from aluminum clad steel sheets to stainless clad aluminum systems, so you can avoid common pitfalls and maximize your investment.
2. Choosing the Right Metal Clad Material
Not all metal clad wall systems are created equal. Your climate, budget, and design goals will determine the best option.
- Corten steel siding offers a rustic, weathered look and is ideal for modern homes—but check corten siding cost upfront, as it’s pricier than standard options.
- Zinc metal siding and zinc facade panels develop a protective patina over time and require almost zero maintenance.
- For a classic industrial vibe, consider exterior corrugated metal siding or corrugated steel facade panels.
- Aluminum clad sheet or aluminum clad steel is lightweight, corrosion-resistant, and great for coastal areas.
- Copper siding and titanium clad are premium choices with unmatched longevity and visual appeal.
Also consider insulated options like metal clad insulation systems if energy efficiency is a priority.
3. Preparing for Installation
Before you touch a single metal plate, prep your wall structure properly. A poorly prepared substrate leads to leaks, warping, or premature failure.
Ensure your sheathing is flat, dry, and covered with a high-quality weather-resistant barrier (WRB). Use furring strips if you’re installing a rainscreen system—this creates an air gap behind the metal clad wall for moisture drainage and airflow.
Gather your tools: metal snips, drill with metal bits, measuring tape, level, safety gloves, and appropriate fasteners (usually stainless steel or coated screws to prevent galvanic corrosion).
4. Installing Metal Clad Siding Step by Step
Most metal clad siding—whether it’s standing seam siding, vertical standing seam metal siding, or metal weatherboard—follows similar principles.
Start at the bottom corner of your wall. Install a starter strip or base flashing (PAC Clad coping or column covers work well for clean transitions).
Secure the first panel with fasteners through the concealed flange or clip system—never overtighten, as metal expands and contracts with temperature.
For standing seam systems like Colorbond standing seam or PAC Clad HWP, use hidden clips to maintain a seamless look. Align panels carefully using a laser level.
Cut panels as needed using a metal shear or circular saw with a metal-cutting blade. Always wear eye protection—metal shards are no joke.
At corners and edges, use pre-formed trims or custom-bent pieces from your supplier (e.g., PAC Clad column covers for architectural accents).
Seal all penetrations (windows, vents) with compatible sealant and flashing. Never rely on caulk alone—integrate with your WRB for full protection.
5. Common Problems and How to Fix Them
Even the best metal clad wall can run into issues if not maintained.
- Rust spots on corten steel? That’s normal during the patina phase—but if you see red rust on non-weathering steel, it means the coating failed. Sand and reseal with a zinc-coated primer.
- Loose panels? Check fastener spacing. Metal expands—panels need room to move. Use slotted holes or floating clips.
- Condensation behind walls? You likely skipped the rainscreen gap. Retrofit furring strips if possible.
- Fading or chalking on painted systems? Use only manufacturer-approved cleaners—never abrasive pads. Repaint with PVDF-coated finishes for longevity.
6. Maintenance Tips for Longevity
Metal clad exteriors are low-maintenance but not zero-maintenance.
Rinse your metal facade annually with a garden hose to remove salt, pollen, or pollution buildup—especially if you live near the coast.
Inspect seals and fasteners every 2–3 years. Replace any corroded screws with stainless steel or aluminum clad stainless steel variants.
For copper or zinc siding, avoid acid-based cleaners—they disrupt patina formation.
If you have a metal clad roof (like a zinc clad roof or PAC Clad standing seam roof), keep gutters clean to prevent water runoff from staining walls below.
7. Conclusion
A well-installed metal clad wall boosts your home’s value, cuts long-term maintenance costs, and delivers striking curb appeal. From choosing between aluminum clad steel and corten steel plate to mastering the nuances of standing seam facade installation, this guide gives you the foundation to succeed. With trends leaning heavily toward sustainable, modern exteriors—as seen at this week’s builders’ show—now’s the perfect time to go metal clad.
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