On Thu, 10 Dec 2020 10:57:52 +0000 (GMT), "Dave Plowman (News)"
wrote:

snip

They're not as cold as real slate. very nice to work with, though - you
can cut them with tinsnips.

Oh, how thick are they?

I'd say similar to modern slates.

Oh, and still cut with tin snips, or are you talking of more of
shears?

I got the roofers to leave me a kit of parts
to do the outside loo - nice and low roof.

If they aren't brittle like a real slate that would make them nice to
work with. Can you walk on them (on a roof)?

Never tried.

Sure, but from the feel, do you think they would. I was trying to work
out of the were at all flexible or not?

snip

And what is their 'expected lifespan' (realistically, not the warranty
etc).

Dunno, Tim. Very common in this part of London since the 70s and not seen
any replaced.

Ok, so a good 50 years for them then.

So saying some makes seem to discolour. Mine haven't and
still look good.

Cool.

Cheers, T i m