Unfortunately it'll never be right with a rogue man like this. I had a roofing situation very similar...basic fix cost as much as the entire roof - didn't work, he repaired twice, then threw his toys out of the pram to replace the lot..........and left a hole.
Angled towards the grass or not, if it is ACO'ed should be irrelevant...
Angled towards the grass or not, if it is ACO'ed should be irrelevant...