Aluminum Roof Tiles

Aluminum Roof Tiles Manufacturer for Lightweight, Durable Roofing Solutions

Aluminum roof tiles offer a light structural alternative to traditional clay, concrete, and heavy steel roofing panels. Weighing less than one-third of traditional tile systems, aluminum roofing profiles reduce structural load limitations while delivering structural protection in high-salt and high-humidity environments.

Manufactured using 3000-series and 5000-series aluminum alloys through automated continuous roll-forming and precision stamping, these profiles meet European and American residential architectural aesthetics and commercial weatherproofing standards.

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Product Range

Step Tiles / Mediterranean Profile

Profile Type: Stamped Interlocking Tile
Primary Material / Alloy: AA3004 / AA3105
Typical Application: Residential villas, architectural re-roofing

Corrugated & Trapezoidal Sheets

Profile Type: Continuous Roll-Formed
Primary Material / Alloy: AA3003 / AA5052
Typical Application: Industrial warehouses, commercial sheds

System Accessories

Profile Type: Starter Flashing, Ridge Caps, Valley Gutters
Primary Material / Alloy: AA3003 / AA3105
Typical Application: System sealing, waterproofing, edge finishing

Technical Specifications

Parameter	Standard Specification	Testing / Verification Standard
Aluminum Alloy Grade	AA3003, AA3004, AA3105, AA5052; H14 / H24 temper	Material Certificate
Substrate Thickness	0.40–1.00 mm (±0.02 mm tolerance)	Thickness Gauge
Coating System	PVDF (Kynar 500 resin), High-Durability Polyester (HDP), or PE	Coating Specification
Top Coating Thickness	PVDF ≥ 25 μm; primer ≥ 5 μm	Coating Thickness Gauge
Coating Process	Double-coated, double-baked system	Process Inspection
Back Coating Thickness	Epoxy / service coat ≥ 7 μm	Coating Thickness Gauge
Standard Panel Width	750–1100 mm; effective coverage varies by profile	Dimensional Inspection
Panel Length	Customizable from 1000–6000 mm, subject to shipping requirements	Tape Measure Inspection
Nominal Weight	1.8–3.2 kg/m², depending on thickness and profile	Weight Measurement
Salt Spray Resistance	≥ 1500 hours for PVDF-coated panels, as specified	ASTM B117
Fire Resistance	Class A, subject to assembly testing and applicable classification requirements	Applicable Fire Test Standard
Wind Uplift Performance	Available with testing to the specified performance level	ASTM E1592 / UL 580

Performance Characteristics

Corrosion Resistance for Coastal Zones

Unlike zinc-coated steel, aluminum naturally forms a protective oxide layer when exposed to air. In coastal and industrial marine environments (ISO 12944 C4/C5 corrosion categories), aluminum tiles prevent edge corrosion and perforation caused by salt spray.

Low Structural Loading

At approximately 2.5 kg/sq.m, aluminum tiles reduce dead load on trusses and foundations by up to 85% compared to concrete tiles (40+ kg/sq.m). This lowers structural framing costs and simplifies over-roofing retrofits without tearing off existing substrates.

UV & Thermal Stability

Factory-applied PVDF resin coatings maintain color retention (Delta E <= 5 over 10 years) and resist chalking under high UV exposure. Solar reflectivity helps reduce radiant heat transfer into attic spaces, supporting building energy efficiency.

Thermal Expansion Management

Formed interlocking channels and engineered fastener slots accommodate thermal expansion and contraction across temperature differentials from -40 deg C to +80 deg C without damaging seal gaskets or loosening fasteners.

Customization Options

Custom Roll Profiles & Stamping

Production tooling for custom tile geometries, stepped wave heights, and interlocking side-lap details based on CAD drawings.

Coating & Color Matching

Color matching according to RAL or Pantone color standards. Textured, matte, and metallic finishes available upon request.

Protective Film Application

Custom printed PE protective film applied during roll-forming to prevent surface scratch damage during transit, cutting, and job-site handling.

Precision Cut-to-Length

Cut-to-length services based on roof framing plans to reduce job-site cutting waste and speed up installation.

Manufacturing Quality & Supply Capability

Operating a 6,000 sq.m manufacturing facility equipped with continuous roll-forming lines, hydraulic stamping presses, and automatic bending machinery:

Raw Material Inspection

Spectrometric testing on every coil batch to verify chemical composition (AA3000/5000 series compliance) and mechanical yield strength before processing.

Coating Adhesion & Thickness Verification

Digital thickness gauges measure paint dry-film thickness (DFT). Cross-hatch adhesion tests (ISO 2409) and T-bend tests verify coating integrity along panel bends.

Export-Grade Ocean Packaging

Interleaved anti-corrosion protective paper or PE film between tiles, bundled on reinforced wooden skids, wrapped in waterproof VCI film, and steel-strapped for FCL container transport.

Our Certificate

FAQ

Q: What aluminum alloy is recommended for coastal roofing applications?

A: For coastal areas exposed to ocean salt spray, we recommend AA3004 or AA5052 alloys with a PVDF coating system. AA3004 contains magnesium and manganese, providing higher mechanical strength and superior pitting resistance compared to standard AA1100 grade aluminum.

Q: How do you prevent galvanic corrosion when installing aluminum roof tiles?

A: Galvanic corrosion occurs when aluminum comes into direct contact with dissimilar metals (such as carbon steel) in the presence of moisture. To prevent this, always use 304 or 316 stainless steel fasteners equipped with EPDM sealing washers, and utilize factory-supplied aluminum flashings and ridge caps across all installation joints.

Q: What coating system should I select: PE, HDP, or PVDF?

A: PE (Polyester): Suitable for inland residential applications with mild weather exposure. Typical lifespan: 7-10 years.
HDP (High-Durable Polyester): Better UV resistance and color retention for hot, high-sun climates. Typical lifespan: 12-15 years.
PVDF (Fluorocarbon): Recommended for coastal, industrial, and high-UV environments. Offers maximum resistance to chalking, fading, and chemical atmospheric pollutants with a 20+ year service life.

Q: What is the minimum order quantity (MOQ) and production lead time for custom colors?

A: Our standard MOQ for stock colors (such as Charcoal Grey, Terracotta, and Black) is 500 sq.m. For custom RAL color matches or non-standard coil thicknesses, the MOQ is 2,000 sq.m (equivalent to 1 master coil batch). Standard manufacturing lead time is 15 to 20 days after drawing and color sample sign-off.

Q: Can aluminum roof tiles be installed directly over an existing asphalt shingle roof?

A: Yes. Due to their low weight (approximately 2.0 kg/sq.m to 2.5 kg/sq.m), aluminum tiles can be installed over existing asphalt shingles using timber or light-gauge steel furring battens. This eliminates tear-off and disposal costs while creating a ventilated air space that improves thermal insulation.

Q: How are aluminum roof tiles packaged to prevent scratching and moisture oxidation during sea freight?

A: Tiles are interleaved with protective PE film or neutral anti-rust paper to prevent surface abrasion. Bundles are wrapped in heavy-duty VCI (Vapor Corrosion Inhibitor) waterproof film, secured with steel edge protectors, and mounted on solid wooden skids engineered for forklift handling in 20ft/40ft shipping containers.

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