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Aluminium Solid Panel

Custom PVDF Aluminium Solid Panels for Architectural Facades & Cladding

 

Aluminium Solid Panel is a non-combustible architectural metal cladding manufactured from high-grade aluminum alloy sheets (AA3003-H14 or AA5052-H32) cut, CNC bent, reinforced, and coated with PVDF fluoropolymer finishes. Designed as a durable alternative to aluminum composite panels (ACP) and heavy precast concrete, solid aluminum sheets deliver Class A1 fire protection, zero delamination risk, and 100% recyclability.

 

Engineered for exterior rainscreen curtain walls, column covers, and interior feature walls, these panels maintain flat surfaces and precise joint alignment under high wind loads and harsh environmental conditions.

 

 
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Product Categories

Exterior Facade Grade Aluminium Solid Panels

Engineered for high-rise curtain walls, rainscreens, and soffits exposed to severe weather and UV radiation. Features 3-coat PVDF finishes and factory-welded stiffness ribs.
Base Material: AA3003-H14 / AA5052-H32 Aluminum Alloy
Standard Thickness: 2.5 mm, 3.0 mm, 4.0 mm
Key Feature: Tested for wind load deformation, cross-hatch paint adhesion, and salt spray corrosion resistance.

Interior & Perforated Decorative Panel

Optimized for ceiling grids, interior feature walls, acoustic partitions, and sunshades. Precision CNC punching creates custom perforation patterns without altering panel flatness.
Base Material: AA1100-H14 / AA3003-H14 Aluminum Alloy
Standard Thickness: 1.5 mm, 2.0 mm, 2.5 mm
Key Feature: Custom open-area perforation ratios (5% to 60%) with burr-free edges and powder or PVDF spray coatings.

Materials & Specifications

 

 

Technical Parameter

Metric Specification

Test Standard / Method

Alloy & Temper

AA3003-H14 / AA5052-H32 / AA1100-H14

EN 573-3 / ASTM B209

Panel Thickness

1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm (+/- 0.10 mm)

ISO 2286-3

Max Panel Dimensions

1500 x 6000 mm (Standard: 1220 x 2440 mm, 1250 x 3000 mm)

Manufacturer Standard

Coating Type

PVDF (Kynar 500 or Hylar 5000) 2-Coat or 3-Coat, FEVE, Powder

AAMA 2605 / EN 12206

Dry Film Thickness

PVDF 2-Coat: 25 to 30 um / PVDF 3-Coat: 35 to 45 um

ISO 2360

Coating Hardness

Greater than or equal to 1H / 2H (Pencil Hardness)

ASTM D3363

Paint Adhesion

Cross-hatch classification 0 (Zero flaking)

ISO 2409 / ASTM D3359

Impact Resistance

50 kg.cm No cracking or peeling

ASTM D2794

Fire Reaction Rating

Class A1 Non-combustible / Class A

EN 13501-1 / ASTM E136

Wind Load Capacity

Project calculated (Up to 8.0 kPa with rear stiffeners)

ASTM E330

 

Applications
High-Rise Rainscreen Facades
Curtain walls, spandrels, parapets, and exterior cladding systems requiring lightweight non-combustible building envelopes.
Architectural Features & Overhangs
Column covers, soffits, entry canopies, fascia boards, and exterior window surrounds.
Interior Walls & Transport Terminals
Airport terminal interiors, subway station wall linings, shopping mall lobbies, and perforated acoustic ceiling baffles.

 

Pure White E0 Honeycomb Panel

 

OEM / Customization Capabilities

We process raw aluminum coils and sheets into finished architectural panels according to CAD drawings, BIM models, and architectural specifications:

 

CNC Fabrication & Forming Capabilities:
CNC laser cutting and turret punching for custom perforated patterns
Hydraulic press brake bending with uniform bend radius
Welded corners (TIG / MIG welding) ground smooth prior to coating
Pre-attached mounting ears (hanging brackets) and rivet nut inserts

 

Rear Stiffener Integration (Oil-Canning Prevention):
Aluminum U-channel stiffeners attached to the panel back using stud welding or structural silicone
Spacing calculated based on wind pressure requirements and panel width (typically every 500 to 600 mm)

 

Surface Finishes & Color Matching:
PPG, AkzoNobel, and Beckers certified PVDF coating application
Custom RAL, Pantone, and metallic color matching (Delta E less than or equal to 0.8)
Anodized look, stone texture, and wood grain sublimation finishes

 

Quality Control & Manufacturing Process

Production Workflow
Raw Aluminum Sheet Chemical & Mechanical Inspection
CNC Shearing, Punching, Notch Cutting & Press Brake Bending
Rear Stiffener Stud Welding & Corner TIG Welding
Multi-Stage Pre-treatment (Degreasing, Acid Etching & Chromating)
Automated Electrostatic PVDF Spray Coating & High-Temp Curing
Color Consistency Inspection, Protective Film Application & Crating
Core Manufacturing Controls

 

Multi-Stage Pre-Treatment System:
Prior to spray coating, raw aluminum components pass through an automated 7-stage chemical pre-treatment tunnel (Degreasing, Water Rinse, Acid Etch, Deoxidizing, Chromate / Zirconium Conversion Coating). This process ensures chemical adhesion of PVDF paint and prevents sub-film corrosion.

Optical Color Batch Verification:
Coated panels are checked under D65 standard illuminants using spectrophotometers. Color deviation across a single batch is held to Delta E less than 0.5, ensuring uniform appearance across large facade elevations.

Factory Quality Verification Testing:
Every production lot undergoes structural and coating testing:
Cross-Hatch Tape Adhesion Test: 1 mm grid hatch cut tested with pressure tape to confirm zero coating removal.
MEK Rub Test: Minimum 100 double rubs with Methyl Ethyl Ketone to verify complete PVDF resin cure.
Thickness & Flatness Measurement: Ultrasonic film thickness checks at 9 points per panel and laser flatness scans to eliminate oil-canning.

Aluminum Reinforced Square Tube Panel

 

Packaging & Delivery
 

Surface Protection:

Custom 80 um thick PE protective film with low-tack UV-resistant adhesive applied to decorative faces.

Panel Interleaving

Foam sheet separators placed between panels to prevent metal-to-metal contact and paint rubbing.

Crate Construction:

Fully enclosed fumigated wooden crates or steel-frame A-frame racks reinforced with internal corner guards and steel strapping.

Container Loading Rates (Standard 3.0 mm Thick Panels):

3.0 mm Panel Weight: Approx. 8.1 kg/m2

20ft GP Container:

Approx. 1,800 to 2,000 m2 (Subject to crate dimensions and weight limits)

Vertical Stacking:

Crates designed for 4-way forklift handling and container loading without top panel crushing.

 

 

FAQ

 

 

Q: What is the difference between Aluminium Solid Panel and Aluminium Composite Panel (ACP)?

A: Aluminium Solid Panel is a single homogeneous aluminum sheet (typically 2.5 mm or 3.0 mm thick) that is 100% non-combustible (Class A1) and fully recyclable. ACP consists of two thin aluminum skins (0.5 mm) bonded to a core material. Solid panels offer higher impact strength, zero delamination risk, and easier field repair or re-coating over a 20-plus year lifespan.

Q: How do you prevent "oil-canning" or surface warping on large solid aluminum panels?

A: Oil-canning occurs when thin panels expand under solar heat without structural support. We prevent this by specifying appropriate sheet thickness (minimum 2.5 mm or 3.0 mm for exterior cladding) and installing welded rear aluminum stiffeners spaced every 500 to 600 mm. Stiffener stud welding allows thermal expansion without telegraphing marks on the front face.

Q: What paint system is used, and what is the expected lifespan of the exterior coating?

A: We apply AAMA 2605 compliant PVDF (Fluoropolymer) coatings containing 70% Kynar 500 or Hylar 5000 resins from certified suppliers like PPG and AkzoNobel. This 2-coat or 3-coat system resists chalking, cracking, and color fading, maintaining aesthetic performance for 20-plus years in high-UV and maritime environments.

Q: How are panel corners and mounting brackets fabricated for field installation?

A: Panels feature 20 mm to 25 mm perimeter return flanges bent at 90 degrees. Corner gaps are TIG-welded and ground smooth before coating to ensure a continuous weather seal. Aluminum mounting brackets (hanging lugs) are factory-riveted or slotted along the return flanges to allow fast dry-hang installation onto sub-girts.

Q: What quality control steps ensure color consistency across a large building facade?

A: To eliminate color batch variation, all panels for a single facade elevation are produced using aluminum sheets from the same mill coil batch and sprayed in a continuous automated coating run. Spectrophotometer readings are taken every 50 panels to enforce color variation limits below Delta E 0.5.

Q: What is the Minimum Order Quantity (MOQ) and production lead time for custom projects?

A: Standard Color & Thickness MOQ: 500 m2 per project specification.
Custom Color Matching & Shop Drawing Approval: 5 to 7 calendar days.
Fabrication & Coating Lead Time: 15 to 20 calendar days from shop drawing sign-off to container loading for a 2,000 m2 order.

We're well-known as one of the leading aluminium solid panel manufacturers and suppliers in China, also support custom service. Please feel free to wholesale high quality aluminium solid panel made in China here from our factory. For more information, contact us now.

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