https://www.coxhardware.com/m-1826-billy-penn.aspx weekly 0.7 https://www.coxhardware.com/p-24426-galvanized-valley-flashing-18-in-x-10-ft.aspxdaily0.9 https://www.coxhardware.com/p-26935-roof-jack-galvanized-3-in.aspxdaily0.9