First skylight installed in 1989 using mirror like material reflecting the sunlight into the dark room. By design, a straight down pipe did not work. So he opened the tube towards the ceiling, miraculously all daylight was reflected downwards. This design is the big difference between Indoor Sunlight and all the imported skylights or copies thereof.
Pretoria, Johannesburg, Vaal Triangle
"Best kept secret to high performance, twice the light then any other 55cm skylight."
"Custom built skylights. Any size as requested by client"