1. Introduction
In the past 48 hours, a surge in sustainable building practices has spotlighted metal clad exteriors as a top choice for eco-conscious homeowners. With rising interest in low-maintenance, long-lasting facades—especially corten steel siding and zinc clad roofs—many are turning to metal cladding for both aesthetics and durability. If you’re considering a metal clad house or upgrading your current exterior, this guide will show you exactly how to install and maintain metal clad siding the right way.
2. Understanding Metal Clad Meaning and Options
Before diving into installation, it’s important to grasp what ‘metal clad’ actually means. Clad metal meaning refers to a composite material where a base metal (like steel or aluminum) is bonded with a more corrosion-resistant or decorative metal layer—such as copper, zinc, or stainless steel. This creates products like aluminum clad steel, stainless clad aluminum, or titanium clad panels.
Common metal clad types used in residential construction include:
- Corten steel siding (known for its rust-like patina and minimal upkeep)
- Zinc metal siding (elegant, self-healing surface)
- Copper siding (timeless look that ages gracefully)
- Exterior corrugated metal siding (industrial charm, budget-friendly)
- Vertical standing seam metal siding (clean lines, excellent water shedding)
- Colorbond standing seam or PAC Clad standing seam roof systems (pre-finished, durable)
Each offers unique benefits in cost, appearance, and performance—so choose based on your climate, budget, and design goals.
3. Preparing for Installation
Proper prep prevents future issues like moisture intrusion or panel warping. Start by removing old siding and inspecting the sheathing. Ensure your wall structure is sound, flat, and dry. Install a high-quality weather-resistive barrier (WRB) like housewrap over the sheathing—it’s essential behind any metal clad wall.
Next, plan your layout. Mark stud locations and decide on panel orientation (vertical or horizontal). For standing seam systems like PAC Clad HWP or vertical standing seam metal siding, use chalk lines to ensure straight runs. Don’t forget accessories like PAC Clad coping or column covers for a polished finish.
4. Step-by-Step Installation Guide
Step 1: Install furring strips (if needed). For most metal siding, especially corrugated steel facade or zinc clad dormer applications, horizontal furring strips create an air gap that improves drainage and insulation.
Step 2: Begin at the bottom. Start with a starter strip or base flashing to direct water away. Secure the first panel with corrosion-resistant fasteners—never over-tighten, as metal expands and contracts with temperature.
Step 3: Overlap panels correctly. For exterior corrugated metal siding, follow the manufacturer’s lap guidelines. For standing seam systems like PAC Clad, use hidden clips to allow movement.
Step 4: Cut panels carefully. Use metal snips or a circular saw with a metal-cutting blade for clean edges. Always wear safety gear—metal edges can be sharp.
Step 5: Seal penetrations. Around windows, doors, and vents, use compatible sealants and flashings to maintain a watertight envelope.
5. Maintenance Tips for Longevity
One of the biggest advantages 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 can damage finishes like Colorbond or zinc coatings.
Inspect fasteners and seams yearly. Tighten any loose screws and replace corroded ones with stainless steel equivalents. If you have corten steel siding, remember that its protective rust layer develops over 1–3 years—don’t paint or seal it prematurely.
For metal clad roofs or walls in coastal areas, rinse more frequently to prevent salt buildup, which can accelerate corrosion on some alloys.
6. Common Mistakes to Avoid
- Skipping the WRB: Metal isn’t waterproof on its own—always use a proper underlayment.
- Mixing incompatible metals: Avoid direct contact between dissimilar metals (e.g., copper and aluminum) to prevent galvanic corrosion.
- Ignoring thermal movement: Metal expands in heat—allow for movement with proper clip systems or slotted holes.
- Using the wrong fasteners: Always use fasteners rated for your specific metal type and climate.
7. Conclusion
Installing metal clad siding—whether it’s a sleek steel facade, rustic corten steel plate, or elegant zinc clad roof—can transform your home with modern style and decades of durability. By choosing the right clad metals, preparing properly, and following best practices for installation and care, your metal clad house will stand strong against the elements while turning heads in the neighborhood.
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