BigWallop wrote:

> Ha Ha Ha Ha  Sorry David, but that sounds a really daft idea to me.  There
> ain't a hope in hell you'll lift a double garage roof with tiles on, even a
> few inches off its supports, without it falling to bits.  Do you realise the
> weight it will be ?  Approximately six meters by five meters of slate tiles
> alone is about two tonnes.  Unless you brace all the bits together and lift
> the whole thing with a properly slung crane, then you're asking for real
> troubles.
> 
> Try it, and come back and tell us how you got on.  :-))

I'm inclined to agree. I don't see how you'd be able to raise it 
at all four corners simultaneously. If you don't, it'll start 
twisting and falling apart.

I think it sounds like a lot more work than rebuilding the roof.

-- 
Grunff