Repairing broken roofing tile instead of replacing means that the pieces can be glued together.
How to repair a missing roof tile.
Raise the damaged tile off the bottom using a hand trowel.
With roofing tiles it s common practise in large parts of the uk to fix every third row of tiles with clout nails starting at and including the bottom row every third row after that including the top row and they should be nailed with either galvanised steel aluminium or copper clout nails.
Also pry or force out any nails.
This video will walk through the process of repairing broken.
3 spread a small amount of roofing cement along the underside of the replacement and slide it into place.
2 break the faulty tile and remove the pieces.
In short you will need to replace the entire 3 tab shingle that was torn while protecting the integrity of shingles above and below the one being replaced.
Finally hook the nib over the batten.
Lift the 2 tiles with wooden wedges.
Cracked or broken roof tile 1 carefully pry up the tile or tiles just above the cracked or broken one.