@ha @no @ sent pics @can I advise pleaseAre you an eaves tray fitter?
@ unfortunately @eaves tray will not touch spar is back 12inch from face of wall ,roof spar runs into back of wall wall is flat .First tile is 7 degreesFelt does not back fall, it is over sarked (should be 10-15mm) either way needs eaves tray to stop that puddle