slate roof repairs 3

https://wiki-nest.win/index.php/Roofing_Safety_Standards:_What_Every_Homeowner_in_Bearsden_Should_Know

Fixing a slate roof isn't as simple as swapping a few tiles; each piece is hand-nailed and interlocked with its neighbors on a steep pitch. You have to slide a slater's ripper under the damaged slate to cut the nails, then hook a new piece into place with copper wire. Missing a step can leave gaps that lead to leaks.