Discussed in these Forum posts:

White sheet material for cabin ceiling?
What's the best material to use for cabin ceiling inside? It's in sheets and maybe 5mm thick? I used mdf 2 years ago which looks good, was really easy to cut, especially around tricky corners, but now it's edges are fraying due to water getting in.
View topic

More like this

Return To Classic site 😭
Or... let us know if a problem, so we can tweak! 😅