1. Introduction
Metal clad exteriors are surging in popularity thanks to their sleek aesthetics, durability, and minimal upkeep. From corrugated steel facades to vertical standing seam metal siding, these modern cladding options offer both form and function. But if you’re new to working with metal clad systems—whether it’s corten steel siding, zinc metal siding, or aluminum clad steel—you might wonder where to start. This guide breaks down exactly how to install and maintain metal clad siding correctly so your home looks great and performs well for years.
2. Choosing the Right Metal Clad Material
Not all metal clad is created equal. The term ‘metal clad’ (or ‘metalclad’) broadly refers to any exterior surface where a base material is covered—or ‘clad’—with a protective or decorative metal layer. Understanding the clad metal meaning helps you pick the best option for your climate, budget, and design goals.
- Corten steel siding offers a rustic, weathered look that develops naturally over time. Keep in mind that corten siding cost can be higher than other options, but its longevity offsets the initial investment.
- Zinc clad dormer or zinc clad roof systems provide a soft gray finish that ages gracefully without rusting.
- Aluminum clad steel and stainless clad aluminum combine strength with corrosion resistance—ideal for coastal areas.
- For a classic industrial vibe, consider exterior corrugated metal siding or corrugated steel facade panels.
- Premium choices like copper siding or titanium clad deliver unmatched elegance but come at a premium price.
3. Preparing for Installation
Before you begin, gather the right tools: metal snips, a drill with metal-compatible bits, a level, measuring tape, safety gloves, and appropriate fasteners (usually stainless steel screws). Always check local building codes—especially if you’re using metal clad electrical wire nearby or integrating metal clad insulation.
Ensure your wall substrate is flat, dry, and structurally sound. If you’re retrofitting over old siding, remove damaged sections first. For new builds, sheathing should be covered with a weather-resistant barrier (WRB) to prevent moisture intrusion behind your metal clad wall.
4. Step-by-Step Installation Guide
4.1 Measure and Cut Panels
Use precise measurements to minimize waste. When cutting metal sheet for sale—like aluminum diamond tread plate or 6061 T6 aluminum plate—use a circular saw with a metal-cutting blade or electric metal shears. Always wear eye protection during metal sheet cutting.
4.2 Install Furring Strips (If Needed)
For better airflow and drainage behind the cladding, attach horizontal furring strips (typically wood or metal) to create a rainscreen gap. This is especially important for steel clad houses in humid climates.
4.3 Start at the Bottom
Begin installation at the lowest point of the wall. Align your first panel using a level. Secure it with corrosion-resistant fasteners spaced every 12–16 inches. Avoid over-tightening, which can warp thin-gauge metal.
4.4 Overlap and Seal Joints
Follow manufacturer specs for overlap—typically 1–2 inches for corrugated styles or interlocking seams for standing seam systems like Colorbond standing seam or PAC Clad HWP. Use compatible sealants at penetrations or corners, such as around PAC Clad column covers or coping details.
4.5 Trim Edges and Penetrations
Finish edges with trim pieces designed for your system. For windows and doors, use custom flashing or pre-formed metal weatherboard profiles to ensure water sheds away cleanly.
5. Maintenance Tips for Longevity
One major advantage of a metal clad building is low maintenance—but it’s not zero maintenance. Rinse your metal facade annually with a garden hose to remove dust and pollutants. For tougher grime, use mild soap and water; avoid abrasive cleaners that scratch finishes.
Inspect fasteners and seams every few years. Tighten loose screws and replace any corroded ones. If you notice scratches on aluminum clad sheet or stainless steel plate surfaces, touch them up with matching paint to prevent oxidation.
Corten steel requires no painting—it forms a stable rust-like patina—but keep surrounding plants trimmed to avoid moisture traps that could lead to uneven weathering.
6. Common Mistakes to Avoid
- Skipping the weather barrier behind your metal clad wall, leading to hidden moisture damage.
- Using incompatible metals together (e.g., aluminum next to untreated steel), which can cause galvanic corrosion.
- Ignoring thermal expansion: metal expands and contracts with temperature changes, so allow for movement in your design.
- Mixing up metal clad types: remember that aluminum clad pipe insulation serves a different purpose than exterior siding—don’t confuse functional categories.
7. Conclusion
Installing metal clad siding properly transforms your home into a modern, resilient structure that stands out in any neighborhood. Whether you choose a bold corten steel facade, a sleek zinc metal siding, or classic vertical standing seam metal siding, following these steps ensures professional results. With the right prep, materials, and care, your metal clad house will age beautifully while resisting weather, pests, and decay for decades.
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