Remove tiles from the roof ridge first.
How to remove nailed roof tiles.
Replacement of roof tiles that have cracked broken or disappeared is important to prevent roof leaks an ceiling damage once rain and wind appear.
Install the underlayment for the new roof tile next working with 10 foot sections at a time.
Work your way through the top row of tiles weakening and pulling them.
Look at the advanced weather forecast before you begin and choose a few weeks with as many dry days as possible.
Fixing the problem quickly by yourself is possible provided it s only a few tiles.
If the single lap tiles have a particularly deep ridged pattern then several tiles may require wedge supports to allow clearance access for removing the offending tile.
If you do not have a scraper use a garden spade with a flat blade to hook the tiles underneath.
Also unplug the tiles.
If your tiles have been nailed then drive a nail through the hole in the tile into the timber roof batten.
If the tile is nailed and the tile can not be easily pulled free use a slate ripper.
A slate ripper is a flat tool with cutting barbs at one end.
To begin remove the old roof tile.
Once all your tiles are in give them any minor adjustments required to settle them in place.
Lift up the bottom of the tiles from the row above and slide your tile back into place.
Secure the underlayment with nails that are at least 2 inches from the edge of the roof.