This flashing kit ensures an AXIS90 roof window is perfectly integrated into corrugated roofing materials, such as slate, metal roofing tiles and trapezoidal sheets, with a thickness between 16mm - 50mm. Quick and easy to install, it has an aluminium apron at the bottom forming a perfect fit with the roofing material. This kit is 100% watertight, weather resistant and can be used on roof pitches between 15° and 90°.