Sun Tunnel sloped roof
Rigid and flexible tunnel options available 
Rigid sun tunnels
• Recommended for maximum daylight, because of its super high
reflective coating.
• Up to 98% daylight reflectivity for optimal natural light conditions.
• Elegant, maintenance-free exterior glass module.
• Recommended tunnel length 0.9 - 6m.
• 1.7m tunnel supplied (ZTR extensions are available).
• Available in 25cm and 35cm diameters.
Flexible sun tunnels
• Flexible fibreglass tunnel, with reflective inner coating.
• Elegant maintenance-free exterior glass module.
• Recommended tunnel length is 1.5m.
• 2m tunnel supplied.
• Available in 35cm diameter