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  • TWF Flexible
    • Choice of highly reflective rigid or flexible tunnel (350mm diameter, lengths vary – details on page 15).
    • 4mm toughened external glass.
    • Dual-layered ceiling diffuser – spreads light over an area of up to 9m2.
    • Interior diffuser with ‘Edge Glow’, a clear ring on the diffuser’s edge.
    • Outer polyurethane cappings with integrated flashings for tiled/ corrugated iron roofs.
    • ‘Stay clean’ coating on glass exterior reduces cleaning frequency.
    • Easier and quicker to install with VELUX Flexi Loc system. (TWR).

    NB: For best performance VELUX recommends TWR for shafts over 1m.
    * Sun Tunnels are not suitable for roof pitchesbelow 15°.
    ^ Bushfire testing applicable to roof pitches 18°-60°. TWR only.

    TWF Flexible

  • TWR Rigid
    • Choice of highly reflective rigid or flexible tunnel (350mm diameter, lengths vary – details on page 15).
    • 4mm toughened external glass.
    • Dual-layered ceiling diffuser – spreads light over an area of up to 9m2.
    • Interior diffuser with ‘Edge Glow’, a clear ring on the diffuser’s edge.
    • Outer polyurethane cappings with integrated flashings for tiled/ corrugated iron roofs.
    • ‘Stay clean’ coating on glass exterior reduces cleaning frequency.
    • Easier and quicker to install with VELUX Flexi Loc system. (TWR).

    NB: For best performance VELUX recommends TWR for shafts over 1m.
    * Sun Tunnels are not suitable for roof pitchesbelow 15°.
    ^ Bushfire testing applicable to roof pitches 18°-60°. TWR only.

    TWR Rigid

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