I'm after some pre-finished window sill board, the type with a water-proof top coating (plastic or otherwise).
It's to go in a bathroom, which currently has a glossed MDF sill which has gradually got damp and is now cracked & swollen.
I'd rather not fit another painted board (proper wood or otherwise) if I can find a suitable coated board that will be less vulnerable to damage by kids and damp.
Can anyone suggest a suitable product or supplier?