In message
,
harry writes
On Aug 16, 1:38*pm, Bash wrote:
Leaving aside the problems with asbestos disposal. What would be the
best material to replace the (properly disposed of) corrugated asbestos
cement roof? *Corrugated bitumen sheets seem ok for sheds but they seem
a little flimsy for *a garage roof.

Or box profile plastic coated steel. Much lighter to handle and
cheaper.
They will cut it to size for you.
Lasts15-20yrs depending on what grade you get.

Tends to collect condensation on the underside. There was a fairly
recent discussion here.

If the purlins are strong enough to support asbestos you could do a
OSB/PIR foam/steel sandwich.

regards

--
Tim Lamb