Velux Skylight Minimum Roof Pitch

For deck mounted skylights a minimum roof pitch of 3 12 or 14 degrees is required.

Velux skylight minimum roof pitch.

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. All flashings custom flashing some clarification. The recommended pitch for skylight installation on a flat roof. For many skylight applications on flat roofs there should be a minimum pitch or fall of 0 6.

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.