How Much Does Aluminium Cladding Weigh?
Aluminium cladding typically weighs between 3 and 9 kg/m², depending on the system. That makes it one of the lightest facade options available - roughly one-third the weight of fibre cement and a fraction of masonry or precast alternatives. For structural engineers sizing frames and foundations, and for architects working within load constraints on existing structures, this difference is significant.
Facade dead load is not just a line item on a structural calculation. It affects steel tonnage, foundation design, crane requirements, and what installers can safely handle on scaffolding. Choosing a lighter cladding system has flow-on effects through the entire project.
What Do V&G Aluminium Systems Weigh?
Valmond & Gibson supplies four facade systems. Here is how they compare on weight:
element13 (3mm solid aluminium panels): 8.13 kg/m². This is a solid sheet product - no core, no composite layers. The weight comes directly from the material: 3mm of aluminium at a density of 2,680 kg/m³. The 3mm thickness provides genuine impact resistance that thinner cladding materials cannot match.
interloQ (extruded aluminium rainscreen): 3-6 kg/m², depending on the profile selected. interloQ panels are extruded from 6060/6063 alloy with wall thicknesses ranging from 1.8mm to 3.5mm. The hollow extrusion profiles are inherently lighter than solid sheet for a given coverage area, while the interlocking design provides structural rigidity.
conneQt (aluminium battens and adaptors): Weight varies by batten profile and spacing. As a support and screening system, conneQt is lightweight by nature and adds minimal dead load to the facade assembly.
165CW (unitised curtain wall): Weight varies by configuration - framing, glazing thickness, and spandrel panel selection all contribute. The aluminium framing itself is lighter than steel-framed alternatives, with primary members in 6005A-T6 alloy for structural performance.
How Does Aluminium Compare to Other Facade Materials?
The table below shows typical installed weights for common facade materials. These are panel or cladding weights only - subframe and fixings are additional.
| Material | Typical Weight (kg/m²) |
|---|---|
| interloQ (extruded aluminium) | 3-6 |
| Steel cladding (0.55mm) | 5-6 |
| Zinc (0.7mm) | 5 |
| ACP - PE core (4mm composite) | 5.5-7.5 |
| ACP - FR core (4mm composite) | 7-9 |
| element13 (3mm solid aluminium) | 8.13 |
| Fibre cement (9mm) | 15-18 |
| Fibre cement (12mm) | 20-24 |
| Porcelain/ceramic panels | 20-30 |
| Natural stone (30mm) | 75-90 |
| Precast concrete (75mm) | 180+ |
| Brick veneer (110mm) | 200+ |
The range is striking. An interloQ facade at 4 kg/m² is roughly one-fifth the weight of 9mm fibre cement and one-fiftieth the weight of brick veneer. Even element13 at 8.13 kg/m² - the heavier of the two aluminium panel options - is lighter than most solid panel alternatives and less than half the weight of standard fibre cement.
Why Does Facade Weight Matter Beyond Structural Design?
Dead load affects more than the structural engineer’s calculations. It has practical consequences across the project:
High-rise buildings. Cumulative dead load increases with every storey. Over 20 or 30 levels, the difference between a 5 kg/m² facade and a 20 kg/m² facade translates directly into steel tonnage and foundation capacity.
Recladding and remediation. When replacing combustible cladding on an existing building, the replacement material must work within the original structural design. The existing frame and connections were sized for a specific load. Aluminium’s low weight makes it a practical option for remediation projects where adding significant dead load is not feasible.
Elevated and cantilevered structures. Canopies, overhead walkways, bridge facades, and elevated feature elements all benefit from lighter cladding. Less dead load means lighter supporting steelwork and simpler connections.
Seismic zones. Lighter facades reduce seismic mass, which reduces the forces the structure must resist during an earthquake event. This is relevant for projects in Australia’s higher seismic hazard areas and for projects designed to international seismic codes.
Handling and installation. A 1,500 x 4,000mm element13 panel weighs approximately 49 kg - a manageable two-person lift. An equivalent-sized 12mm fibre cement panel would weigh over 100 kg, requiring mechanical handling or more labour on the scaffold. Lighter materials are safer to install at height and reduce manual handling risk.
What Should You Include in a Facade Dead Load Calculation?
When calculating total facade dead load for structural design, the cladding weight is only one component. A complete calculation should include:
- Cladding panels or sheets
- Subframe (rails, brackets, channels) - typically 2-5 kg/m² depending on material and configuration
- Mechanical fixings (rivets, screws, bolts)
- Insulation board or blanket
- Sarking membrane
- Any secondary framing or packers
An aluminium subframe will be lighter than a steel subframe for the same span and load capacity. The total facade assembly weight - not just the cladding - is what the structural engineer needs.
Can V&G Provide Specific Weight Data for My Project?
Yes. Valmond & Gibson can provide specific weight data for any product and profile combination. For interloQ, weight depends on which extrusion profile is selected. For element13, the weight is consistent at 8.13 kg/m² across all colours and finishes. For 165CW curtain wall, weight depends on the unit configuration.
If you need facade dead load data for structural calculations, specification, or tender documentation, contact V&G directly. We will provide the numbers your engineer needs, for the specific system and configuration being considered.
Related Reading
- Choosing the Right Aluminium Facade System for Your Project
- Aluminium vs Fibre Cement Cladding: What Specifiers Need to Know
- Aluminium vs Steel Cladding: A Practical Comparison
- Subframe Design for Aluminium Rainscreen Cladding
Last updated: 4 April 2026