With the Dektite Metal Roof Flashing range, you'll be able to flash almost any pipe penetration through a metal roof or wall. This range can also be used to seal penetrations through glass or plastic roofs. Choose from a Dektite Original or Premium for a quick watertight solution. The original Dektite designed to seal both hot and cold flues and pipes on metal roofs. A strong watertight seal and a strong flexible base featuring a flexible aluminum band.