Morris Products G14743 Roof Flashing, Metal, 1/4" to 4" Size Metal Roof Flashings - Plumbing and electrical Pipe Roof Flashing Pipe roof flashing attaches to most corrugated metal decks, aluminum, copper, lead, plastic, fiberglass, etc. Applications include plumbing, heating & air conditioning pipes & vents, electrical service entrances, etc. Roof flashing is flexible, weather resistant E.P.D.M. resists ozone & UV light Pleated cone adjusts to any roof pitch & allows for complete flexibility