On 03/02/2018 22:37, Simon T wrote:
It would help to know what type of tile and the age of the roof (or
house, if it is relatively new).
Here's a piccy I took last week of the hole
http://www.clipsfromthecryptserver1.com/temp/tile1.JPG
House is about 21 years old, I've lived here about 10.
You just slide the tiles above up, put a new tile on and slide them down
again.
There isn't normally any nails.