Skylights: Sun Tunnel
TWF
Flexible
Size Code: TWF OK14
Sun tunnel with flexible shaft – 2200mm long, 350mm diameter
TWR
Rigid
Size Code: TWR OK14
Sun tunnel with rigid shaft – 1650mm long, 350mm diameter
- 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.
ZTR Rigid Extension
Size Code: ZTR OK14
Rigid extension – 1240mm (Not suitable for TWF)
