If your roof has a steep slope install the battens next which are thin strips of material that run horizontally along the roof.
How to fit roof tiles.
Measure the distance across the ridge from the outer ends of the first tiles at each end of the ridge.
How to space roof tiles and space roof battens or laths.
An awful lot of people including builders and roofers get the layout of a new roof wrong right from the start subsequently they end up with a leaking roof or one that just looks awful.
Roofing batten common sizes of tile lath slate lath or tile batten.
Secure the underlayment with nails that are at least 2 inches from the edge of the roof.
Install the underlayment for the new roof tile next working with 10 foot sections at a time.
This means that a tile roof can cost as little as 10 000 or as much as 60 000 depending on several factors.
Start at the second tile at one end of the ridge.