Skylight In Sloping Roof Details

On very steep roofs where the top of the skylight is near eye level a horizontal angle works well for the top side of the well.

Skylight in sloping roof details.

Glazing vision have adopted their pioneering frameless design ethos with this product so that when installed the building occupants can enjoy sky only views from the roof window something not usually found with traditional roof window products. A metal counterflashing for the step flashing that forms the transition from the roof to the rafter is integrated into the pressure bar detail. If the skylight is installed on a low slope roof the curb should be even taller to allow for 8 inches of flashing. The detail shows a skylight rake detail within a steep roof assembly.

Typically the top side of the skylight well runs at 90 degrees to the roof slope and the bottom side if splayed is framed plumb see figure 3 20. Sliding over roof skylight sliding over roof skylight for larger areas with sufficient unobstructed roof space for the sliding section you should consider a sliding over roof skylight. If you are unsure the skylight manufacturer should provide drawings to indicate minimum curb heights which will allow your builder to calculate how high the top of the slope needs to be to achieve the desired pitch. With this skylight the glazed section slides as a single leaf and is supported by tracks on the roof itself in the open position.

See roofing systems for more discussion on steep slope roofing systems.