Sun Tunnels

Use the VELUX Roof Pitch app to measure the pitch of your roof to help you choose the right roof window.

The height and placing of the roof window have to be adjusted according to the pitch of the roof. "The lower the roof pitch, the longer the roof window”.

VELUX^® recommends that the top of the roof window is installed approximately 200 cm above the floor.

Download the iphone app, then place your phone directly on the roof to see the pitch or use the build-in camera mode to find the pitch directly.

Download the app>

Natural daylight where you never thought it could be achieved. Ideal for windowless bathrooms, hallways and cupboards. Our new generation sun tunnels feature a number of innovative features that improve performance and make installation even simpler than before.

• Rigid (10” or 14”) or flexible (14”) tunnels.
• Exterior flat glass window appearance.
Easy-to-clean coating keeps glass cleaner for longer.
• Easy to install with integral flashing.
• Double layer diffuser with new Edge-Glow technology.
• Can be used for night time lighting with an optional low energy light kit.
• Ventilation outlet allows connection of an extractor fan and duct (supplied by others) available for TWR 0K14 and TWF 0K14 sun tunnels. Contact VELUX^® for further information.

• Available in 14” flexible tunnels.
• White PVC kerb with clear polycarbonate dome.

• VELUX^® recommend rigid sun tunnels for maximum light.
• Recommended tunnel length for rigid sun tunnel 0.9-6.0m (1.7m supplied, additional length made up with ZTR extension sections).
• Recommended tunnel length for flexible sun tunnel 0.4m-1.5m (pitched roof) and 0.2-0.9m (flat roof) in cases where an obstacle may prevent the use of a rigid tunnel.

Find out how much light a sun tunnel will provide and find the perfect sun tunnel for your home.

Our calculator gives you an indication of the light output from a VELUX sun tunnel compared to 60W light bulbs.

Sun Tunnel Calculator>