VariAL-CF3 Aluminium Cladding System

Manufacturer guidance

For fire testing:

• Mineral wool insulation (<340mm thickness) with classification A1 to BS EN 13501-1 was applied on this system.
• The cavity for the system was 25–100 mm.

Manufacturer guidance

Insulation, if used, should be mineral wool of classification A1, thickness 50–340 mm. Refer to the Warringtonfire classification report for further details and insert requirements.

Manufacturer guidance

The system does not include a breather membrane or vapour barrier since these components are not Class A1. If a vapour barrier is required, refer to the guidance in Approved Document B regarding the required fire classification.

Manufacturer guidance

Fire cavity barriers are not included within the system and should be specified and designed by a qualified engineer.

Manufacturer guidance

Fire cavity barriers are not included within the system and should be specified and designed by a qualified engineer.

Manufacturer guidance

Maximum panel size: 5840 x 1340 mm (L x W). Larger panels may require intermediate stiffeners to be fitted.

Manufacturer guidance

Joint extrusions are mill finished as standard but can be provided in matching or contrasting colours to suit project-specific requirements.

Standard joint width is 25 mm. Miniumum joint width 20 mm.

(Minimum joint 20 mm for individually demountable panel requirements.)