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.
Place two tiles to the opposite end of the ridge and install them as you did with the previous one.
Measure the distance across the ridge from the outer ends of the first tiles at each end of the ridge.
Install the underlayment for the new roof tile next working with 10 foot sections at a time.
Secure the underlayment with nails that are at least 2 inches from the edge of the roof.
Roofing batten common sizes of tile lath slate lath or tile batten.
In fact tile roofing costs can vary from as low as 400 to as much as 1 100 or more per square depending on factors such as roof pitch custom tiles and size.
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.