I am thinking of having my roof of cement tiles cleaned treated &repainted how ever painting roof tiles seems to be a controversial subject even among roofers could you advise on which type of paint & primer to use & if in your experience it is worth doing on a faded but in good order roof Thnk you A L Drew
Assuming the fibre cement tiles are bare, clean, dry, sound and prepared as detailed in the technical data sheet we can recommend Cromar Renocoat Roof Tile Renovation Paint.
This does not require a primer, but two coats should be applied.