Skylight step flashing with underlayment. The primary function of the EDL flashing kit is to provide an engineered flashing kit for Velux Type A21 skylights. The EDL flashing kits consists of four components: Saddle flashing, Sill flashing, Step flashings, and Skylight adhesive underlayment. Step flashings should be woven together with roofing material.
For use on roof with pitch between 14 Degree and 85 Degree and with thin roofing materials (shingles, slate, thin shakes) less than 5/16 in. For roof pitches lower than 14 Degree, use ECB flashing - Available by special order.