Imperial 4 in. D Galvanized Steel Adjustable Fireplace Roof Flashing

This 4″ Galvanized Roof Flashing is adjustable from flat to a 5/12 pitch. It helps decrease water penetration on roof openings. As such, caulking or roof tar must be used on seams.Used to decrease water penetration at roof obstacles such as chimneys and vent pipes,Caulking or roof tar must be used at seams,For use with single wall pipe,Suitable for pipe opening of 4 inches