Rigid98 Reflection Calculator

 Domestic     Industrial

To give you an idea on how much extra light a Sky tunnel can give you, use our Sky Tunnel Rigid98 calculator.

Use the slider buttons to modify the parameters that simulate the condition of your SkyLight

Degree of the sun:  °

20°90°

Length of tube:  mm

1200mm 1800mm 2400mm 3000mm 3600mm

Diameter of tube:  

 343mm (14")
 457mm (18")
 535mm (21")

Output

Number of Reflections:   0

Light output:   100%