1. Introduction
Just 24 hours ago, a major home renovation expo in Chicago spotlighted the rising trend of sustainable, low-maintenance exteriors—with metal clad siding taking center stage. Designers and builders praised its durability, modern aesthetic, and resilience against extreme weather, especially as climate-related home damage claims surge nationwide.
If you’re considering a metal clad house upgrade or tackling a DIY siding project, you’ve come to the right place. This guide breaks down exactly how to install and maintain metal clad siding—whether you’re using corrugated steel facade panels, vertical standing seam metal siding, or a corten steel siding system.
2. Understanding Metal Clad Meaning and Materials
Before installation, it’s crucial to grasp what ‘metal clad’ actually means. In construction, ‘metal clad’ refers to exterior surfaces covered with metal sheets or panels for protection and visual appeal. This includes everything from metal clad wall systems to metal clad roofs.
Common materials include:
- Aluminum clad steel or stainless clad aluminum for corrosion resistance
- Corten steel plate for rustic, weathering appeal (note: corten siding cost varies by region and finish)
- Zinc clad roof or zinc metal siding for longevity and self-healing patina
- Copper siding or titanium clad for premium, high-end facades
- Colorbond standing seam or PAC Clad standing seam roof systems for seamless, modern looks
Each ‘metal clad type’ offers unique benefits, so choose based on climate, budget, and design goals.
3. Tools and Preparation
Gather these essentials before starting:
- Measuring tape and chalk line
- Metal snips or a metal sheet cutting tool
- Drill with metal-compatible bits
- Level and laser guide
- Safety gear (gloves, goggles, ear protection)
- Fasteners rated for your specific metal (e.g., stainless steel screws for aluminum clad sheet)
Ensure your wall substrate is clean, dry, and structurally sound. If replacing old siding, remove it completely and inspect for moisture damage or rot.
4. Step-by-Step Installation Guide
4.1. Start at the Bottom
Begin with a level starter strip along the base of your wall. This ensures your first row of metal weatherboard or exterior corrugated metal siding is straight. Use a laser level for accuracy over long spans.
4.2. Install Panels from Bottom to Top
For vertical standing seam metal siding or corrugated steel facade panels, overlap seams according to manufacturer specs—usually 1–2 inches. Secure panels with fasteners through pre-punched holes or use hidden clip systems for PAC Clad HWP or PAC Clad column covers.
Never over-tighten screws; allow slight movement for thermal expansion. Aluminum expands more than steel, so spacing matters.
4.3. Handle Corners and Openings
Use pre-formed corner trims or custom-bent aluminum clad sheet pieces for clean edges. Around windows and doors, install flashing before siding to prevent water intrusion. For dormers, consider a zinc clad dormer cap for seamless integration.
4.4. Finish with Coping and Trim
Top your installation with PAC Clad coping or matching metal trim to seal the roof-wall junction. This prevents wind uplift and water seepage—critical for metal clad buildings in hurricane-prone zones.
5. Maintenance and Common Problem Fixes
Metal clad siding is low-maintenance but not zero-maintenance. Here’s how to keep it looking great:
- Rinse annually with a garden hose to remove dust and pollutants
- For stubborn stains on stainless steel plate or aluminum diamond tread plate, use mild soap and soft brush—never abrasive pads
- Inspect fasteners yearly; tighten any that have loosened due to thermal cycling
- If you notice rust on mild steel plate or boiler plate steel, sand lightly and apply a zinc-coated touch-up paint
Avoid power washing—it can force water behind panels and damage protective coatings like chromium electroplating or electroless nickel finishes.
6. Safety and Code Considerations
Always check local building codes. In Pennsylvania and many commercial zones, metal clad electrical wire is permitted—but must be properly grounded and protected where it penetrates exterior walls. Never confuse structural metal clad with metal clad wire used in electrical systems (e.g., aluminum clad steel wire or CU clad wire).
For insulation, pair your metal clad wall with metal clad insulation or aluminum clad pipe insulation in utility areas to boost energy efficiency without compromising fire safety.
7. Conclusion
Installing metal clad siding is a smart, stylish investment that can last decades with minimal upkeep. Whether you opt for a sleek steel facade, rustic corten steel siding, or a modern zinc clad roof, following these steps ensures a professional-grade result. Remember: the key to success lies in proper prep, correct fastening, and routine checks. With the right approach, your metal clad house won’t just stand out—it’ll stand the test of time.
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