Two thoughts:-
Cedar roof shingle/s stuck with pine resin (from your local pine tree).
Using mud fashion flat roof tile/s and leave to cure in the sun for several days form a couple of holes to accept wooden pegs to hold them in place.
Two thoughts:-
Cedar roof shingle/s stuck with pine resin (from your local pine tree).
Using mud fashion flat roof tile/s and leave to cure in the sun for several days form a couple of holes to accept wooden pegs to hold them in place.