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.


(Mines are on a double layer of bitumen felt on wood, so are supported
well.) The colored ones lose their color in a few years. No way will it
last 40 years or so.

I shouldn't think they would, either. Do they (IYE) seem to
encourage moss growth?