The GCXL is trafficable for cleaning and maintenance purposes only, in accordance with AS1288:2021 Section 6, which requires glazing to support a 1.1 kN live load incidental to maintenance.

The GCXL is not designed for pedestrian traffic. Where foot traffic across glass is required, a Trafficable Glass Floor (TGF) must be specified as an engineered solution.

The GCXL uses the same patented thermally broken, self-draining system as the GXL range, incorporating:

- a thermal break between internal and external framing
- an integrated condensation gutter and weep system
- a self-draining frame design

This significantly reduces condensation risk and thermal transfer compared to non-thermally broken circular skylights, particularly over conditioned interior spaces.

Yes. The GCXL is manufactured from non-combustible materials, including aluminium, steel, and laminated glass, and provides a non-combustible external roof lining.

The GCXL is BAL-29 compliant as standard where the roof pitch is 18° or greater (without an ember guard).
For roof pitches below 18°, an ember guard is required to maintain BAL-29 compliance.
For BAL-12.5, no ember guard is required.

As standard, the GCXL is supplied with a square apron flashing to suit a square external hob, with a circular internal penetration.

Circular external flashings can be supplied where required, however these are custom and incur an additional cost, which will be allowed for at quotation stage.

External films or aftermarket-applied tints are not recommended, as they can cause thermal stress and will void the glass warranty.

If solar control or visual tinting is required, this should be specified at manufacture using:

- factory-selected tinted glass
- tinted interlayers
- Low-E or higher-performance glazing options