If the skylight is installed on a low slope roof the curb should be even taller to allow for 8 inches of flashing.
Skylight low slope roof.
Curvetech glass or polycarbonate dome.
Great for living rooms dining rooms and other rooms needing more light.
This is enough to ensure that water will drain off the surface of the glass and avoid pooling.
For low slope or flat roofs the skylight typically is installed before the roof is finished.
When using manufacturer produced curbs that aren t tall enough the roofing professional will have to extend the curb.
Most installations are deck mount in which the skylight attaches directly to the roof deck or curb mount in which the skylight utilizes a curb consisting of 2 by 4 inch or 2 by 6 inch nominal lumber or prefabricated metal.
These new flat roof skylights are fitted in a pvc curb and topped with one of two covers.
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 in 12.
View flat roof skylights.
Also the curb s shaft can be shaped for different purposes.