Each skylight comes with a template for cutting an opening and six screws for installation. Inside pinewood finished with an elegant and durable double-lacquered coating. Flashing required and is available for purchase separatelyUV resistant cladding made from coated aluminum for long performanceClass 3 corrosion-resistant hingesSuitable for roof pitches between 15-85 degreesBetter sizing eliminates need for additional support. Our frame has always drive for drywall beside construction of the roof - no need to build extra support for finishing drywall