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VELUX Sun Tunnels TWF OK14, TWR OK14 and ZTR OK14
VELUX Sun Tunnels TWF OK14, TWR OK14 and ZTR OK14
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The VELUX Sun Tunnel has been designed to make installation quick and easy. Tube assembly is simple, so little time is spent in the roof cavity.
The VELUX flexible (TWF) and rigid (TWR) Sun Tunnels provide installation flexibility. Rigid tunnels are most suited to roof space with minimal obstructions. They have a highly reflective shaft to achieve maximum light output. Flexible tunnels can be used when obstructions in the roof cavity prevent the use of rigid sun Tunnels.
Product Features:
VELUX Sun Tunnels for pitched roofs are designed to provide natural light into corridors, stairwells, powder rooms and cupboards; where installation of a VELUX Skylight is not possible
- Bushfire rating of BAL 29 (applicable to TWR installed between 18-60°)
- Choice of highly reflective rigid or flexible tunnel (350mm diameter, lengths vary)
- 4mm toughened external glass
- Dual-layered ceiling diffuser - spreads light over an area of up to 9m²
- Interior diffuser with 'Edge Glow' design
- Outer polyurethane cappings with integrated flashings for tiled/corrugated iron roofs
- 'Stay Clean' coating on glass exterior to reduce cleaning frequency
Options:
- TWF OK14 Sun Tunnel with flexible shaft – 2200mm long, 350mm diameter
- TWR OK14 Sun Tunnel with rigid shaft – 1650mm long, 350mm diameter
- ZTR OK14 Rigid extension – 1240mm (NOT suitable for TWF)
Package complete with integrated flashing for tiled or corrugated iron roofs (not suitable for metal profiles such as Klip-Lok, Trimdek), tunnel and ceiling diffuser. Sun Tunnels are not suitable for roof pitches below 15°.
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Do VELUX products have CodeMark certification?
Do VELUX products have CodeMark certification?
Yes, all VELUX Skylights, Roof Windows and Sun Tunnels have CodeMark certification. CodeMark is a voluntary certification scheme that certifies the products are suitable for use in buildings in Australia. CodeMark is owned by the Commonwealth of Australia and provides legally binding evidence of compliance to the National Construction Code. (NCC)
Are VELUX rooflights Bushfire tested?
VELUX Skylights have been tested and approved for building in bushfire prone areas (AS3959) and meet Bushfire Attack Level (BAL).
Velux Sun Tunnel - Q&As
Velux Sun Tunnel - Q&As
What is the installation pitch for the Sun Tunnel?
The Sun Tunnel must be installed between 15 & 60 degrees.
Consider using a VELUX skylight if your roof is not within this range.
Why is roof pitch important for Sun Tunnel installations?
Our flashing kits are engineered with specific pitch requirements. The roof pitch is important because it ensures that the roof has the proper slope to effectively drain water off both the flashing and the skylight.
Does the Sun Tunnel suit all roof types?
The Sun tunnel is suitable for tiled & corrugated iron roofs over 15°. A version is also available for Slate roofs.
The Sun Tunnel is not suitable for roof pitches below 15°.
Use a VELUX skylight if a Sun Tunnel is not suitable for your roof.
Which Sun Tunnel should I use: Flexible or Rigid?
The Flexible tunnel is suitable for short tunnel lengths (preferable 1 meter or less) or when obstacles in the roof space prevent the use of a Rigid Sun Tunnel.
The Rigid Sun Tunnel should be used for longer tunnel lengths to maximise light output.
What glazing is used on the roof?
The outer pane on the roof is a flat 4mm toughened glass pane with an ‘easy clean’ coating.
What width are the VELUX Sun Tunnels?
Both the Flexible and Rigid Sun Tunnels have a tunnel diameter of 350mm.
How long are the Sun Tunnels?
The flexible tunnel shaft length is 2200mm (max).
The Rigid tunnel shaft length 1650mm. Additional 1240mm lengths of Rigid tunnel are available: part number ZTR 0K14.
How much light will a Sun Tunnel transmit?
A precise answer depends on many factors including the roof orientation, tunnel length, number of angles, time of day, season of the year, etc. However, VELUX Sun tunnels are ideal for small areas such as hallways, walk-in-robes, pantries, toilets, and other small areas without natural light. The same size rigid tunnel will transmit approx. 3 times more light than a flexible tunnel of the same size, length and configuration.
