Infrared Heat Reflective Energy Saving Aluminum Sheet

Infrared Heat Reflective Aluminum Sheet for Cool Roofs

Infrared heat reflective aluminum sheet is designed for industrial roofs, warehouse cladding, commercial buildings and other structures exposed to strong solar radiation. It combines a lightweight aluminum substrate with a functional heat-reflective coating that helps reflect infrared radiation and reduce solar heat absorption through the building envelope.

Available in 1060 and 3003 aluminum with H24 and H26 tempers, the sheet can be supplied from 0.4 mm to 2.5 mm thick and up to 2650 mm wide. The standard infrared-reflective PE coating is applied at 18–28 μm per side, with infrared reflectance of ≥82% for the specified system.

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Core Performance Advantages

High Infrared Reflectance

The functional coating is formulated to reflect a high proportion of infrared radiation rather than allowing solar heat to be absorbed by the metal surface. The specified coating system provides infrared reflectance of ≥82%, making it suitable for roof and wall applications where solar heat gain is a major design consideration.

Reduced Solar Heat Absorption

By reflecting more infrared energy at the exterior surface, the coated aluminum helps reduce heat accumulation on sun-exposed roofs and façades. This can support lower thermal loads on factories, warehouses, workshops and commercial buildings when used as part of an appropriately designed roof or wall system.

Weather and UV Resistance

The coated surface is designed for outdoor exposure and helps protect the aluminum substrate against sunlight, moisture and environmental contamination. Suitable pretreatment and coating control improve adhesion and help maintain surface appearance during normal exterior service.

Corrosion and Moisture Protection

A compact coating layer combined with aluminum's natural corrosion resistance provides an effective barrier against rain, humidity and normal atmospheric exposure. Salt spray test documentation can be supplied according to the confirmed product specification.

Formable Coating for Roofing Production

The coating system is designed to accommodate conventional cutting, bending and forming processes used by roofing and cladding manufacturers. Proper alloy, temper and bend radius selection helps reduce cracking, peeling or coating damage during fabrication.

Lightweight Aluminum Substrate

Aluminum provides a lightweight alternative for large roof and wall areas while maintaining practical corrosion resistance and formability. Lower material weight can simplify transportation, handling and installation compared with heavier metal panel solutions.

How Infrared Heat Reflective Coating Works

A conventional dark metal roof can absorb a substantial amount of incoming solar energy and convert it into surface heat. Infrared-reflective coatings use specially selected pigments and coating components that are formulated to reflect more infrared radiation while providing the required exterior color and protective surface.

This performance is particularly useful for large-area industrial roofs and external wall systems exposed to direct sunlight for long periods. Actual roof temperature and building energy performance depend on climate, coating color, roof orientation, ventilation, insulation, building design and operating conditions.

Technical Parameters

Specification note: Final dimensions, coating thickness, color, gloss level and performance requirements should be confirmed according to the customer's roofing profile, forming equipment, climate and project specification before mass production.

Send Your Size, Color & Reflectance Requirements

Selecting the Right Color and Surface

White and Light Colors

White, light grey and silver-grey finishes are commonly selected for heat-reflective roofs because light-colored surfaces generally provide favorable solar heat-management characteristics. These finishes are suitable for factories, warehouses, workshops and other large roof areas where thermal performance is a priority.

Custom RAL Colors

Custom RAL colors can be developed for architectural or corporate requirements. Because pigment formulation and color depth can influence heat-reflective performance, customers requiring a specific reflectance level should provide both the required color and performance target before sample approval.

Matte and Semi-Gloss Finishes

Matte and semi-gloss surfaces are available to suit different roof and façade appearance requirements. Surface gloss should be confirmed during color approval to maintain consistent appearance across production batches.

Production Process

Production begins with aluminum coil feeding followed by multi-stage degreasing and cleaning. The substrate then receives non-chromium passivation treatment and controlled drying to prepare a stable surface for coating adhesion.

Primer is applied by roller coating and cured before the infrared-reflective functional topcoat is applied under controlled coating conditions. After high-temperature curing and cooling, protective film can be laminated to the finished surface before fixed-length cutting and final inspection.

The standard process sequence is: aluminum coil feeding → degreasing and cleaning → non-chromium passivation → drying → primer coating and curing → infrared-reflective topcoat application → baking → cooling → protective film lamination → cutting → inspection → export packaging.

Quality Control and Testing

Infrared Reflectance Testing

Infrared reflectance is sampled during production to verify that the specified functional coating is performing consistently. An infrared reflectance test report can be supplied for confirmed orders according to the agreed specification.

Coating Thickness and Surface Inspection

Coating thickness, surface appearance and finish consistency are inspected during production. This helps reduce visible coating defects and improves consistency when multiple sheets are installed across large roof or wall areas.

Forming and Adhesion Checks

For roofing and cladding applications involving bending or profiling, coating flexibility and adhesion should be matched to the selected aluminum temper and forming process. Trial samples can be evaluated before volume production when a new profile or demanding bend geometry is involved.

Applications

Factory and Workshop Roofs

Suitable for steel-structure factories, manufacturing workshops and production buildings with large roof areas exposed to direct sunlight. The reflective surface helps reduce solar heat absorption at the exterior roof skin.

Warehouse and Logistics Buildings

The material can be used for warehouse roofing and exterior cladding where lightweight construction, corrosion resistance and reduced solar heat gain are important for long-term building operation.

Commercial Buildings

Applications include shopping centers, supermarkets, distribution centers and other commercial buildings requiring durable exterior metal surfaces and improved heat-reflective performance.

Agricultural Buildings

Heat-reflective aluminum sheet can be considered for livestock buildings, agricultural sheds and greenhouse-related structures where high summer roof temperatures are a concern.

Public and Institutional Buildings

The material can also be specified for gymnasiums, stations, public facilities and similar projects that require lightweight exterior panels with weather-resistant and heat-reflective surfaces.

Fabrication and Customization

Custom Sheet Dimensions

Sheet length can be produced according to project requirements, with thickness from 0.4 mm to 2.5 mm and widths from 600 mm to 2650 mm. Buyers can provide finished sheet dimensions or roofing profile requirements for technical review.

Bending, Cutting and Profiling

The coated aluminum can be processed using conventional cutting, bending and profile-forming equipment when suitable fabrication parameters are used. Customers operating roll-forming lines should provide profile geometry and forming requirements when coating flexibility is critical.

Protective Film

Protective film can be applied to help reduce scratching during sheet handling, cutting, profiling, transportation and installation. Film requirements should be confirmed according to downstream fabrication and storage conditions.

Information to Provide for a Quotation

For faster material selection and quotation, please provide your required alloy, temper, thickness, width, sheet length, color or RAL code, coating thickness, surface gloss, infrared reflectance requirement, protective-film requirement, processing method, order quantity and destination port.

For project-based supply, drawings, roofing profiles, color samples and technical specifications can also be submitted for review before sample preparation or production.

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Export Packaging and Documents

Finished aluminum sheets are separated and protected before the complete stack is wrapped with moisture-resistant PE film and kraft paper. The package is secured on export-grade wooden pallets to help protect sheet surfaces and edges during inland transportation and sea freight.

Shipping marks can be applied according to customer requirements. Available supporting documents can include MTC, RoHS documentation, infrared reflectance test reports and salt spray test reports according to the confirmed order specification.

FAQ

How does infrared heat reflective aluminum help reduce roof heat?

The functional coating is designed to reflect more infrared radiation before it is converted into heat at the roof surface. The specified coating system provides infrared reflectance of ≥82%. Actual roof and indoor temperature improvements depend on the complete building system, climate, insulation, ventilation, roof orientation and operating conditions.

What infrared reflectance can the aluminum sheet achieve?

The specified infrared heat-reflective PE coating can achieve infrared reflectance of ≥82%. Customers requiring project-specific performance verification can request an infrared reflectance test report for the confirmed material specification.

Which colors are suitable for heat-reflective roofing?

White, light grey and silver grey are common choices for heat-reflective roofing. Custom RAL colors are also available. If a project requires a specific infrared reflectance level, the color and performance requirement should be confirmed together before production.

Can the sheet be bent or roll-formed after coating?

Yes. The coated aluminum is suitable for conventional cutting, bending and forming when the correct alloy, temper, coating and bend radius are selected. For demanding roof profiles, sample forming trials are recommended before volume production.

What alloys and tempers are available?

Standard options for this product are 1060 and 3003 aluminum in H24 or H26 temper. The final selection depends on the required strength, panel profile and forming method.

What sheet sizes can be supplied?

Standard production covers thicknesses from 0.4 mm to 2.5 mm and widths from 600 mm to 2650 mm. Sheet length can be customized according to project and fabrication requirements.

Can you supply infrared reflectance and material test reports?

Yes. Available documentation can include MTC, RoHS documentation, infrared reflectance test reports and salt spray test reports according to the confirmed product and purchase specification.

Can you produce custom RAL colors?

Yes. In addition to standard white, light grey and silver-grey finishes, custom RAL colors can be produced. For project orders, color samples and required surface gloss should be approved before mass production.

What information should I send for pricing?

Please send the required alloy, temper, thickness, width, length, color, coating thickness, infrared reflectance requirement, protective-film requirement, quantity and destination. If the sheet will be roll-formed or bent into a specific roof profile, drawings or profile dimensions are also helpful.

Request an Infrared Heat Reflective Aluminum Sheet Quote

If you are sourcing heat-reflective aluminum sheet for factory roofing, warehouses, workshops, commercial buildings or exterior cladding, send us your sheet dimensions, alloy, color, coating requirement, infrared reflectance target and purchase quantity. Our technical sales team can review the specification and prepare a material proposal, quotation and sample plan for your project.

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