A3003 H18 1000mm Width Color Coated Aluminum Alloy Coil Used in Gutter

1. Product Overview

3003 H18 Color Coated Aluminum Alloy Coil (1000mm width) is a specialized high-strength, anti-corrosion aluminum material tailor-made for building rain gutter and drainage systems. Adopting 3003 manganese aluminum alloy base and H18 full-hard temper, this coil features high rigidity, excellent structural stability and outstanding outdoor durability. With premium PE/PVDF color coating processed by advanced roller coating technology, the product boasts tight coating adhesion, uniform color and strong resistance to rainwater, UV rays and atmospheric oxidation. It is the ideal mainstream material for long-service-life building gutter projects, widely recognized in residential, commercial and industrial construction fields.

2. Product Technical Parameters

Our 3003 H18 color coated aluminum coils are manufactured in strict accordance with ASTM and GB national standards. All technical indicators are stable and reliable, fully compliant with building gutter engineering standards. Detailed parameters are listed in the table below:

3. Product Advantages

Superior Anti-Rust & Waterproof Capacity

• 3003 manganese-aluminum alloy base delivers inherent anti-corrosion performance, far better than pure aluminum and galvanized iron. The integrated color coating forms a dense protective layer that isolates water and air, effectively preventing gutter leakage, oxidation and perforation even in long-term humid and rainy outdoor environments.

High Rigidity & Good Processability

• H18 full-hard temper provides stable hardness and mechanical strength. The finished gutter will not sag or deform under long-term outdoor use. It supports conventional bending, rolling and cutting processing with no coating cracking, peeling or falling off, perfectly adapting to all gutter molding processes.

Long-Term Weather & UV Resistance

• Premium PE/PVDF coating resists ultraviolet radiation, high-temperature aging and low-temperature embrittlement. It maintains stable color and smooth surface without fading, chalking or peeling, greatly extending the service life of building drainage systems and reducing later maintenance costs.

Uniform & Decorative Surface Effect

• Adopting precision roller coating technology, the coil surface has uniform paint film, smooth texture and no color difference. Various RAL color options perfectly match building roofs and exterior walls, realizing integration of practicality and architectural aesthetics.

Lightweight & High Cost Performance

• Aluminum alloy material is lightweight, causing no extra load on building roofs. With long service life and zero daily maintenance, it effectively reduces comprehensive engineering costs compared with traditional iron and steel materials.

Eco-Friendly & Recyclable

• The product is non-toxic, pollution-free and fully compliant with green building environmental standards. It can be 100% recycled and reused, meeting energy-saving and environmental protection engineering requirements.

4. Wide Application Range

This 1000mm width color coated aluminum coil is specially designed for building drainage and outdoor waterproof decoration, with strong environmental adaptability and wide application coverage:

• Civil Building Gutter Systems: Rain gutters, eaves gutters and valley gutters for villas, residential buildings, apartments and office buildings

• Industrial Building Drainage: Roof drainage gutters and supporting accessories for factories, warehouses and industrial workshops

• Drainage Supporting Accessories: Matching aluminum downspouts, drainage elbows, connectors and waterproof flashing parts

• Public & Commercial Facilities: Drainage systems for shopping malls, exhibition halls, stadiums and scenic buildings

• Roof Decoration & Waterproofing: Roof edge sealing, waterproof wrapping and outdoor decorative trimming works

5. FAQ

Q1: Why choose 3003 H18 grade instead of 1060 pure aluminum for gutters?

A1: 3003 H18 aluminum-manganese alloy has higher hardness, strength and corrosion resistance than 1060 pure aluminum. It resists sagging and deformation perfectly, delivering longer service life for outdoor gutter systems.

Q2: What is the service life of color coated aluminum gutter coil?

A2: PE coating lasts 8–12 years outdoors, while PVDF fluorocarbon coating achieves 15–20 years of stable performance with anti-UV and anti-aging features, low maintenance required.

Q3: Can the 1000mm width be customized?

A3: 1000mm is our standard in-stock width. Custom slitting of different widths, thicknesses and coil weights is available for personalized project needs.

Q4: Will the coating crack or peel during bending processing?

A4: Adopting high-adhesion coating and high-temperature curing technology, the coil passes strict bending tests, ensuring no cracking or peeling during gutter processing.

Q5: What colors can be provided?

A5: We offer full RAL standard colors with matte/glossy finishes. Custom colors are supported to match various building styles.

Q6: Do you provide sample support and quality inspection reports?

A6: Free samples are available. We provide complete ISO, SGS and RoHS certification reports for project inspection and bidding.

6. Why Choose Us

• Professional Gutter Material Solution: Focused on gutter-specific aluminum coil production, we optimize material hardness and coating performance to fit outdoor drainage scenarios perfectly.

• Reliable Quality Control: Full-process production inspection ensures uniform thickness, stable color and excellent overall product performance.

• Fast Delivery & Sufficient Stock: Abundant stock of standard 1000mm width coils, supporting bulk orders and fast customized processing.

• Factory Direct Price: Direct factory supply without middlemen, providing cost-effective high-quality products.

• Complete Technical Support: Provide professional processing guidance and timely after-sales service for worry-free cooperation.

• Full Qualifications: Complete industry certifications, suitable for all kinds of construction and bidding projects.