WILLSTRONG® CCP Copper Composite Panel

Product Introduction

Combining the natural beauty of authentic copper with a lightweight composite structure, WILLSTRONG® CCP Copper Composite Panel is designed for architectural projects requiring distinctive appearance, excellent flatness and long-term surface durability.

The panel uses copper as the visible outer layer and a lightweight engineered core to provide a practical alternative to solid copper sheets. Its composite construction reduces weight while maintaining structural rigidity, dimensional stability and impact resistance.

A key characteristic of copper is its natural ability to develop a protective patina over time. Depending on the environment and selected finish, the surface can gradually evolve from a bright metallic appearance toward deeper brown tones and eventually develop a green patina. This changing appearance gives architectural surfaces a naturally aged character while the patina can provide additional protection against environmental corrosion.

Available in non-combustible, fire-retardant and standard configurations, the panel can be specified for different building performance requirements.

Key Product Advantages

Authentic Copper Appearance

The copper surface provides the distinctive metallic warmth and premium appearance associated with architectural copper. It can be supplied in raw, brushed, mirror, hammered, antique, patina and titanium-coated finishes.

Natural Patina Development

Uncoated or appropriately finished copper can develop a natural protective patina as it ages. This allows the appearance of a building surface to evolve over time rather than remaining visually static.

Excellent Flatness

The composite sandwich structure improves panel flatness and helps reduce oil-canning and distortion that can occur with thin solid copper sheets, providing cleaner lines across large architectural surfaces.

Lightweight Composite Structure

Compared with solid copper sheets, the composite construction offers a lower-weight solution while maintaining useful rigidity and flexural performance. This can also simplify transportation, handling and fabrication.

High Structural Rigidity

The engineered core and copper facings work together to provide enhanced flexural performance and dimensional stability for façade and architectural cladding applications.

Fire Performance Options

Different core configurations are available to address project-specific fire requirements:

• Non-combustible: A2 mineral core for projects requiring high fire performance.

• Fire-retardant: B1 flame-retardant mineral core with smoke-suppressant additives.

• Standard: Lightweight polyethylene core for applications such as signage and storefronts.

The applicable fire rating depends on the selected construction and should be confirmed before project specification.

Acoustic Performance

The composite construction contributes to sound damping and provides a sound transmission loss of ≥25 dB under the listed test configuration.

Weather and UV Resistance

The surface and coating systems are designed for resistance against weathering, UV exposure, salt spray, chemical contact, abrasion and moisture-related conditions.

Flexible Surface Design

Different surface treatments allow architects and fabricators to match the panel with modern, classical, industrial or decorative architectural concepts.

Product Configurations

Non-combustible Copper Composite Panel

The non-combustible version combines authentic copper facings with an A2 mineral-filled core. Its composite structure provides high flexural strength, excellent flatness and resistance to distortion while maintaining the visual character of copper.

This configuration is suitable for projects where non-combustible construction and architectural appearance are both important.

Fire-retardant Copper Composite Panel

The fire-retardant version uses a copper skin and B1 flame-retardant advanced mineral core with smoke-suppressant additives.

It provides good flatness, structural rigidity and acoustic performance together with B1 self-extinguishing characteristics and low smoke emissions.

Standard Copper Composite Panel

The standard configuration consists of a thin copper layer and lightweight polyethylene core. It provides convenient workability, good flatness, sound damping, adequate structural performance and low-maintenance characteristics.

It is particularly applicable to signage, storefronts and decorative architectural elements where the project does not require the higher fire performance of mineral-core configurations.

Dimensions & Size

Copper and decorative finish options include:

• Natural Copper

• Brass

• Antique

• Titanium Coated

• Textured

• Brushed

• Mirror

• Hammered

• Patina

• Custom Surface

• Special Finishes

Fire Ratings

The available fire-performance configurations have been tested according to multiple standards:

Fire performance should be evaluated according to the exact panel construction, installation system and applicable building requirements.

Physical Properties

Representative specifications for 3mm and 4mm configurations are shown below:

Copper and Core Properties

Surface Coating Options

The copper composite panel can be supplied with different coating systems depending on the required appearance and environmental performance.

Acoustic Properties

Thermal Properties

Coating Performance

The surface system is designed to provide reliable performance under a range of physical, chemical and environmental tests.

Application Areas

Architectural Facades

The combination of authentic copper appearance, flatness and composite structural performance makes the panel suitable for premium exterior façade systems.

Roof Cladding

Copper composite construction can provide a visually distinctive roof surface while reducing the weight associated with solid copper sheets.

Staircases

The panel can be incorporated into architectural staircase elements where metallic appearance, durability and design flexibility are required.

Shading Systems

Copper finishes can be used for architectural sun-shading elements and other exterior decorative structures.

Decorative Architecture

Raw copper, patina, antique, brushed, hammered and custom finishes provide options for feature walls, decorative surfaces and architectural details.

Storefronts and Signage

The standard configuration offers good workability and lightweight handling for storefront, signage and commercial decorative applications.

Surface & Finish Selection

The available finishes support different architectural design requirements:

• Raw Copper Finish

• Titanium-Coated Finish

• Mirror Finish

• Brushed Finish

• Brass Finish

• Antique Finish

• Patina Finish

• Hammered Texture

• Custom Surface

Natural copper can gradually change its appearance with exposure, while coated and treated surfaces can be selected when a more controlled appearance is required.

Selection Considerations

Before ordering, buyers should confirm:

1. Required fire-performance level.

2. Panel thickness and copper layer thickness.

3. Required width and length.

4. Interior or exterior application.

5. Expected weather and chemical exposure.

6. Desired copper alloy and surface finish.

7. Coating system and appearance requirements.

8. Structural span and installation method.

9. Custom dimensions and project quantity.

For façade, roof and other building-envelope applications, the selected panel should be matched with the supporting structure and project engineering requirements.

B2B Supply Information

WILLSTRONG® Copper Composite Panel can be supplied in multiple thicknesses, dimensions, core configurations and surface finishes for architectural and construction projects.

Custom panel dimensions and surface requirements are available upon request. Buyers can specify the required fire rating, copper layer thickness, finish, dimensions and application conditions when requesting a quotation.

The product is suitable for architectural material distributors, façade contractors, building material buyers, storefront fabricators, construction companies and project procurement teams seeking copper-based composite cladding solutions.

Product Summary

WILLSTRONG® CCP Copper Composite Panel combines authentic copper aesthetics with lightweight composite construction, excellent flatness, structural rigidity, weather resistance and versatile finishing options. Available in standard, fire-retardant and non-combustible configurations, it can be used for façades, roof cladding, staircases, shading, storefronts and decorative architectural applications.