Manufacturers therefore recommend a minimum pitch to install their product so that rainwater and debris runs off the glass more effectively keeping the skylight cleaner for longer.
Velux skylight minimum roof pitch.
The roof pitch and the roofing material used are both important in determining the type of flashing needed.
For deck mounted skylights a minimum roof pitch of 3 12 or 14 degrees is required.
The roof pitch is important because it ensures that the roof has the proper slope to effectively drain water off of both the flashing and the skylight.
For many skylight applications on flat roofs there should be a minimum pitch or fall of 0 6.
The recommended pitch for skylight installation on a flat roof.