Painting old roof tiles or not ?

[SLUDGE FACTORY]

This should be your base coat

You can apply it by brush or sprayer

https://www.rawlinspaints.com/produc...eye-1-2-3.html

And this or something similar , your top coat

https://premiumpaints.co.uk/products...multiple-sizes

You want this sort of paint as it's flexible , traditional oil paint is rigid and the heat of the summer then cold winter and rain will cause it to flake off in no time