30/08/2026
Most people think faded roof tiles have “lost their protection.”
Not necessarily.
Back in the 1970s, many concrete roof tiles were made from grey/yellow concrete, then given a thin coloured surface coating at the factory.
That coating was mainly there to give the tile its finished colour. Not to add some magical extra layer of protection.
So when an old roof fades and starts showing grey/yellow underneath, it doesn’t automatically mean the tile has failed.
Today, many concrete tiles are made with colour impregnated throughout the tile instead, so the colour isn’t just sitting on the surface.
Sometimes an old roof hasn’t “lost its protection.”
It’s just lost its original colour coating.