In message , Chris Bacon
writes
Thomas Prufer wrote:
Chris Bacon wrote:
[Onduline]
They sag. They sag, lots. They're better if you put them on
Sterling Board, but that adds to the cost.
They will not take to being stepped on well, and will crack if
stepped on in
winter.

Thanks, I didn't know that.

Yeah, but they have proper winters in Bavaria, unlike here

--
geoff