I had something like your window on our kitchen window sill.
I removed everything, cleaned it up then left it to dry out, then I covered it all with tile cement and fitted a porcelain floor tile on top, the type of tile that looks like a floor board.
A good layer of cement allowed me to set the tile at a angle that would shed water from the plant pots my wife insists on keeping there, she also chose the tile ) )-;
I removed everything, cleaned it up then left it to dry out, then I covered it all with tile cement and fitted a porcelain floor tile on top, the type of tile that looks like a floor board.
A good layer of cement allowed me to set the tile at a angle that would shed water from the plant pots my wife insists on keeping there, she also chose the tile ) )-;

