Fitting Velux to cement sheet roof

Hi, I am thinking of fitting a Velux to my house in France but all of the info I can find on DIY fitting refers to a standard roof with felt and battens. My roof is cement board covered (badly!) by tiles (picture below).

I have found a couple of threads about the dangers of asbestos etc (wise words - and I will get a builder to confirm if mine is or not before I attempt it) but there is not a great deal of info on the fitting process itself.
Other than expecting to have to construct some form of frame for it to sit in, I would like a bit more info if possible.

Has anyone done it and maybe have some photos you would not mind sharing?

Many thanks, Oscar

they aren`t bad...they are Rustique...sorry no idea , other than to suggest an extra amount of flashing may be required . eMail Velux direct.

They are under and overs tiles (in english anyway) common in Vendee region it's not done badly just needs maintainance..
A velux can be fitted the same as any other roof using an edw flashing or varient of.
All the info is on velux site for download.