Dektite retrofit roof flashing fitting instructions Trim the cone of the Dektite flashing to suit the flue pipe using sharp tin snips.
snips cut into tin as if it were paper.
A pair of tin snips finished the job with consummate ease.
Plane or chisel could be used as a razor, and the snips cut into tin as if it were paper.
Wire Snips - You need these for trimming the string ends when you are done.