Download Products Catalogue Related Products
Position: Home > Products > Coated Aluminum
Worthwill imitation stone aluminum sheet and coil are decorative coated aluminum materials designed to reproduce the visual character of marble, granite and other natural stone finishes. They combine a stone-inspired surface with the light weight, formability and processing advantages of aluminum.
Stone grain aluminum is available in both sheet and coil form. Coil is suitable for continuous processing, slitting, cut-to-length production, aluminum composite panel skins, honeycomb panel facing and ceiling manufacturing, while sheet is commonly selected for fabricated wall panels, facade components, column covers and architectural decoration.
Worthwill can discuss different stone patterns, aluminum alloys, tempers, thicknesses, dimensions and coating systems according to the final application. PE, higher-durability polyester or PVDF coating systems can be considered according to indoor or outdoor exposure and the project specification.
Send us your required product form, stone or marble pattern, alloy, thickness, width, sheet length or coil requirement, coating system, quantity and final application. Samples and technical details can be confirmed before bulk production.
Imitation stone aluminum sheet and coil are decorative coated aluminum materials with surfaces designed to reproduce the appearance of marble, granite, sandstone and other natural stone patterns. The material is also commonly described as stone grain aluminum, stone finish aluminum, marble grain aluminum, marble finish aluminum or stone pattern aluminum.
Unlike a natural stone slab, the core material is aluminum. This gives manufacturers and fabricators a stone-inspired decorative surface while retaining the lower material weight, formability and processing flexibility associated with aluminum sheet and coil.
Worthwill supplies imitation stone aluminum in both coil and sheet form for architectural, panel manufacturing and decorative fabrication projects. Buyers can select the product form according to their own processing line: coil is generally preferred for continuous production and downstream panel manufacturing, while sheet is more suitable when material will be cut, bent or fabricated into individual architectural components.
Stone grain aluminum is a type of decorative coated aluminum in which a controlled stone-inspired pattern is produced on a prepared aluminum substrate. Depending on the design, the finished surface may resemble white marble, grey marble, granite, travertine, sandstone or other mineral textures.
The material should not be confused with real stone or stone-filled composite material. It remains an aluminum-based product. The purpose of the surface finish is to provide the visual effect of natural stone on a material that can be supplied and processed using aluminum manufacturing methods.
A complete specification includes more than the pattern. Buyers should consider product form, alloy, temper, thickness, dimensions, surface pretreatment, coating system, gloss level, color tolerance, downstream fabrication and final service environment together.
Sheet and coil use the same basic product concept but serve different production requirements. Choosing the correct supply form can reduce unnecessary processing and make downstream manufacturing more efficient.
Imitation stone aluminum coil is supplied in continuous roll form and is suitable for manufacturers that need continuous feeding, slitting, cut-to-length processing, lamination or roll forming. It is commonly considered for aluminum composite panel production, honeycomb panel facing, ceiling systems, decorative strips and other products manufactured from prepainted aluminum coil.
For coil orders, buyers should specify not only alloy, temper, thickness and width but also the required coating system, stone pattern, coil handling requirement and downstream processing method. Coil dimensions and production range should be technically confirmed before ordering.
Imitation stone aluminum sheet is supplied as individual flat sheets or cut-to-length material. It is generally more convenient for fabricators producing wall cladding components, facade panels, column covers, ceiling panels and other parts that require cutting, bending or panel-by-panel fabrication.
For sheet orders, the required thickness should be selected together with panel dimensions, forming requirements and installation system. Large architectural panels may require different substrate and fabrication considerations from small decorative interior components.
Choose coil when your production process uses continuous feeding, slitting, lamination, roll forming or automated cut-to-length equipment. Coil can reduce material handling steps for manufacturers that process large production volumes.
Choose sheet when the material will be fabricated individually into wall panels, folded components, column covers, decorative panels or other project-specific parts.
If you are unsure which form is more suitable, provide the finished-product drawing or describe your production process. The appropriate product form, thickness and coating system can then be reviewed together rather than selecting the material only by appearance.
The appearance of stone grain aluminum can be adjusted for different architectural and decorative styles. Pattern availability should be confirmed according to the current production catalogue or an approved customer reference.
Marble grain aluminum reproduces the flowing veins, tonal transitions and irregular visual movement associated with natural marble. Common design directions include white marble with grey veins, beige marble, dark marble and contrasting decorative patterns.
Marble finish aluminum sheet and coil are commonly considered for commercial interiors, wall panels, ceilings, facade components, column decoration and decorative panel manufacturing.
Granite-style finishes use smaller and more distributed textures to create a mineral or speckled stone appearance. The pattern can provide a more uniform architectural surface than many naturally varied stone slabs while keeping an aluminum substrate.
Travertine, sandstone and other stone-inspired visual effects can also be discussed according to available patterns and project requirements. For custom projects, buyers can provide a physical sample, reference image or approved color standard for evaluation.
Stone grain aluminum starts with an aluminum substrate selected according to the required mechanical properties and fabrication method. The surface is prepared before the decorative coating system is applied so that the final finish can combine color, pattern and protection.
The exact coating and pattern-production method depends on the selected surface system. The decorative layer must work together with the substrate, primer and protective finish rather than functioning as a printed image alone.
For this reason, exterior stone grain aluminum should not be specified only by choosing a marble photograph. Coating type, film build, adhesion, forming requirement and outdoor exposure should also be confirmed before mass production.
The appropriate coating system depends mainly on where the finished material will be used and how long it will be exposed to sunlight, rain, temperature changes, pollution and other environmental conditions.
Polyester coating is commonly considered for interior decoration and other relatively protected applications. It provides a practical combination of decorative appearance, processing performance and cost for products such as interior wall panels, ceilings, commercial decoration and some panel-manufacturing applications.
Higher-durability polyester systems can be considered where better weathering performance is required than a standard polyester finish but the project does not necessarily require a PVDF specification. Final suitability depends on the coating system and project exposure.
PVDF coating is commonly specified for demanding exterior architectural applications where long-term color and weathering performance are important. Typical examples include exterior wall cladding, facade components, soffits and other exposed architectural surfaces.
Do not select coating only by price. For an outdoor project, provide the building location, application, required coating standard and expected exposure conditions. Worthwill can then confirm the available coating construction according to the actual specification.
1100 and 3003 aluminum are commonly used for Worthwill imitation stone aluminum products, while other alloy requirements can be discussed according to processing and project needs.
1100 aluminum offers good formability and is suitable for many decorative applications where easy processing is more important than high structural strength. It can be considered for fabricated decorative panels and other general-purpose stone finish aluminum products.
3003 aluminum offers higher strength than commercially pure aluminum while maintaining good formability and corrosion resistance. It is widely used in architectural and decorative aluminum applications and can be a practical substrate for stone grain coated products.
Alloy should be selected together with temper and thickness. When deep bending, tight-radius forming, roll forming or another specific fabrication process is required, inform us before ordering so that the substrate specification can be reviewed.
Stone grain aluminum and natural stone are different materials and should not be treated as direct technical equivalents. However, stone finish aluminum can be useful when the design objective is primarily to create a stone-inspired appearance on a fabricated metal product.
Lower material weight. Aluminum has substantially lower density than most natural stone materials. This can make panels and fabricated components easier to handle and can reduce the weight associated with the decorative facing material.
Easier metal fabrication. Depending on alloy, temper and thickness, aluminum sheet can be cut, bent and formed using suitable metalworking equipment. Coil can also be continuously slit, cut or laminated in industrial production lines.
More controlled appearance. Natural stone naturally varies between slabs. A manufactured stone pattern can provide more controlled color and visual repetition where a project requires a coordinated decorative surface.
Flexible production formats. The material can be supplied as coil or sheet according to the downstream manufacturing process rather than being limited to quarried slab dimensions.
Natural stone remains the correct choice when the project specifically requires genuine stone, its mineral composition or its natural texture. Stone finish aluminum is more appropriate where the desired result is a stone-like decorative appearance combined with an aluminum manufacturing system.
Stone finish aluminum sheet can be fabricated into architectural wall and facade components where designers want a marble or granite appearance without using solid stone as the decorative facing material.
Stone grain aluminum coil can be used as a decorative aluminum skin in aluminum composite panel manufacturing when the substrate thickness, surface treatment, coating and bonding system are compatible with the ACP production process.
ACP manufacturers should provide their required skin thickness, lamination method and bonding requirements before bulk production. The coil should be specified according to the complete composite-panel manufacturing process rather than by pattern alone.
Stone pattern aluminum can also be considered as a decorative facing material for aluminum honeycomb panels. This allows panel manufacturers to combine a stone-inspired exterior appearance with a lightweight sandwich-panel construction.
Stone grain coil or sheet can be processed into decorative ceiling and soffit components. Coil may be preferred for continuous ceiling production, while sheet may be more suitable for larger fabricated ceiling panels or custom components.
Marble finish aluminum is suitable for commercial interiors, entrance areas, corridors, retail spaces, hotels, offices, exhibition areas and other locations where designers require a stone-inspired decorative metal surface.
Sheet material can be cut and formed into column covers, folded panels and other fabricated decorative components, subject to the selected alloy, temper, thickness and bending requirements.
When imitation stone aluminum is purchased as a raw material for composite-panel production, the purchasing criteria are different from those of a finished facade panel.
Panel manufacturers should pay attention to aluminum skin thickness, coil width, coating structure, back-side treatment, bonding compatibility, surface flatness, color consistency and the performance of the material during continuous lamination.
The stone grain aluminum itself is not a finished ACP or honeycomb panel. It is the decorative aluminum facing material used by downstream manufacturers. Core type, adhesive, panel thickness, fire classification and final panel performance depend on the complete composite-panel construction.
For coil production, provide the required alloy, temper, thickness, width, stone pattern, coating system, gloss, quantity and downstream application. If your production line has specific coil handling, inside diameter, outside diameter, coil weight or slitting requirements, include these details in the inquiry.
If the coil will be laminated into ACP or honeycomb panels, tell us the panel-manufacturing process so that the surface and back-side requirements can be reviewed before production.
For sheet production, provide the alloy, temper, thickness, width, length, stone pattern, coating system, required quantity and final fabrication method.
For wall cladding, column covers or other fabricated parts, drawings are especially useful. Bend locations, panel dimensions and visible surfaces can affect material selection and pattern orientation.
Stone and marble patterns contain directional veins, tonal variation and repeated visual elements. This means panel orientation can influence the final appearance of a wall or facade much more than it would with a plain solid color.
For projects using multiple sheets or panels in one visible area, the installer and fabricator should decide whether the pattern direction should remain consistent, alternate between panels or follow a specific architectural layout.
For large projects, pattern orientation should ideally be included in fabrication drawings before cutting begins.
Stone grain finishes contain more visual information than ordinary single-color coated aluminum. A small sample and a large installed elevation can look different because of viewing distance, lighting, pattern scale and panel orientation.
Before bulk production, buyers should confirm the approved pattern, base color, vein color, gloss and acceptable color tolerance. For large architectural projects, it is also advisable to discuss production batches in advance when material from different orders will be installed next to each other.
Whenever possible, keep the approved physical sample or confirmed production reference until the project is completed so that later batches can be compared against the same target.
Imitation stone aluminum can be processed using appropriate aluminum fabrication equipment. The allowable bending radius, forming direction and processing method depend on alloy, temper, thickness and coating construction.
The decorative surface should be protected from scratches during slitting, cutting, bending, stacking, packing and installation. Protective film requirements should therefore be discussed according to the downstream manufacturing process.
For highly visible architectural work, fabricators should also pay attention to pattern direction before cutting sheets or dividing a coil into individual panels.
Aluminum substrate. Confirm alloy, temper, thickness, width and sheet length or coil requirements according to the fabrication process.
Stone pattern. Confirm the approved marble, granite or other stone reference together with pattern direction and acceptable visual variation.
Coating system. Select the coating according to indoor or outdoor use rather than choosing only by color or price.
Color and gloss consistency. Large visible projects should use an agreed sample or production reference and should consider batch planning.
Fabrication compatibility. Inform the supplier whether the material will be bent, roll formed, laminated, punched or processed by another method.
Surface protection. Confirm protective film and packing requirements where the decorative face needs additional protection during downstream processing.
Worthwill supplies aluminum sheet, coil and coated aluminum materials for international manufacturing and architectural customers. For imitation stone aluminum projects, the decorative pattern can therefore be discussed together with the aluminum substrate, product form and downstream processing requirement.
Instead of treating every stone finish as one standard product, we recommend specifying the material according to the actual application. An ACP manufacturer, a ceiling manufacturer and a facade fabricator may all use stone grain aluminum, but they do not necessarily require the same thickness, coil or sheet form, coating or processing properties.
Send Worthwill your drawing, stone pattern reference, alloy, thickness, dimensions, quantity and final application. Our team can review the available production options and prepare the quotation according to your actual requirements.
No. Imitation stone aluminum is an aluminum-based decorative material with a surface designed to reproduce the appearance of marble, granite or another natural stone. It should not be represented as natural stone.
Coil is supplied as continuous rolled material and is generally better suited to continuous manufacturing processes such as slitting, cut-to-length production, lamination and roll forming. Sheet is supplied as individual flat pieces and is generally more convenient for fabricated architectural panels and project-specific components.
Yes. It can be used as a decorative aluminum skin for ACP manufacturing when the aluminum thickness, coating, back-side treatment and bonding system are compatible with the composite-panel production process.
Yes. Stone finish aluminum can be used as a decorative facing material in suitable aluminum honeycomb panel constructions. The facing thickness, adhesive system and complete panel specification should be confirmed by the panel manufacturer.
Yes, provided that the aluminum substrate and coating system are specified for the required exterior environment. For exposed facade applications, coating durability should be considered together with local climate, sunlight, pollution and project requirements.
PE is commonly used for suitable interior and protected applications, while PVDF is generally considered for more demanding exterior architectural exposure. The final coating system should be selected according to the project specification rather than by product name alone.
Custom pattern or color matching can be discussed using a physical sample, reference image or project standard. Production feasibility, pattern repeat, color tolerance and minimum production requirements should be confirmed during the sampling stage.
Yes, depending on alloy, temper, thickness, bend radius and coating construction. If the finished component includes tight bends or complicated forming, send the drawing before ordering so the material can be reviewed for the intended process.
Please provide whether you need coil or sheet, the required alloy, temper, thickness, width, sheet length or coil requirement, stone pattern, coating system, quantity, destination and final application. Drawings or product photographs are helpful for fabricated or downstream-manufactured products.
| Product | Imitation Stone Aluminum Sheet & Coil / Stone Grain Aluminum Sheet & Coil |
| Product Form | Coil, slit coil, cut-to-length sheet and aluminum sheet |
| Alloy | 1100, 3003 or other alloys according to customer requirements and technical confirmation |
| Temper | H24 or customized according to fabrication requirements |
| Coil Thickness | Typical continuous coated coil range can be customized according to production requirements; confirm the required thickness before ordering |
| Sheet Thickness | 1.85–5.00 mm or customized subject to technical confirmation |
| Coil Width | Customized according to coil production and downstream processing requirements |
| Sheet Width | 900–1800 mm or customized subject to technical confirmation |
| Sheet Length | 2000–6000 mm or cut to required length |
| Coating Thickness | Above 35 μm based on the current standard specification; customized coating systems subject to confirmation |
| Coating System | PE, higher-durability polyester, PVDF or customized according to application requirements |
| Surface Pattern | Marble grain, granite effect, travertine, sandstone and other customized stone patterns |
| Gloss | According to approved sample or project specification |
| Processing Options | Slitting, cut-to-length and customized material preparation according to order requirements |
| Typical Applications | Facade cladding, wall panels, ACP skins, aluminum honeycomb panel facing, ceilings, soffits, column covers and decorative fabrication |
| Capacity | Up to 500 tons/month based on the current published specification and production schedule |
| Customization | Alloy, temper, thickness, width, sheet size, stone pattern, coating, gloss and packing requirements |
Send us your product, alloy, size, quantity and application requirements for a detailed quotation.
