Rooflights, Roof Windows & Skylights - We are a premium rooflight manufacturer for properties of architectural significance.
A systematic design procedure has been developed to calculate the average horizontal illuminance upon a work plane due to skylights in a pitched roof. The calculation procedure allows for pitched roofs with slopes up to 30 degrees from horizontal, and for both clear and overcast sky conditions. ...
Are you looking for a Velux flat roof windows, glass skylights, manual or electric opening flat roof window, we’ve got the ideal solution for you.