Fixed my roof from leaking.

The tile is made of concrete

The Ridges are made of Mortar. Mortar is like concrete but finer.

Chimney's cap is called cowling

Edward's & hardy is only doing cleaning and re-paint which need to be re-done every three years.
Re-coating however will last 30 years. Jeremy is using a industry coating which is really good.

Cladding = external wall.

A chimney pipe is called flute. Chimney has outer flute, middle flute and internal flute.

-----Key Words / Terminology-------

Ridge

Chimney cowling

Mortar

concrete

re-coating - booking immediately after Christmas for a March job.

clean and re-spay